Tag Archives: auto shaft

China OEM Pillow Block Bearing Pillow Block Bearing Block UCP Auto Part Bearing Units Bearing Housings Adapter Sleeve Pillow Block Housing drive shaft bearing

Product Description

Product Description

 

 

Technical information:

The model of pillow block bearing
Bearing No. Shaft Diameter Dim ensions/mm kg
in mm D Bi Be
UC201   12 47 31 17 0.21
UC202   15 0.19
UC203   17 0.18
UC204   20 0.16
UC201-8     1.8504 1.2205 0.6693 0.2
UC202-10     0.19
UC203-11     0.18
UC204-12     0.16
UC205   25 52 34.1  17 0.19
UC205-14     2.571 1.3425 0.669 0.22
UC205-15 15/16   0.2
UC205-16 1   0.19
UC206   30 62 38.1  19 0.31
UC206-17 1  1/16   2.4409 1.5 0.748 0.36
UC206-18 1  1/8   0.34
UC206-19 1  3/16   0.32
UC206-20 1  1/4   0.31
UC207   35 72 42.9  20 0.46
UC207-20 1  1/4   2.8346 1.689 0.787 0.52
UC207-21 1  5/16   0.5
UC207-22 1  3/8   0.48
UC207-23 1  7/16   0.46
UC208   40 80 49.2  21 0.63
UC208-24 1  1/2   3.1496 1.689 0.787 0.68
UC208-25 1  9/16   0.64
UC209   45 85 49.2  22 0.68
UC209-26 1  5/8   3.3465 1.937 0.866 0.78
UC209-27 1  11/16   0.74
UC209-28 1  3/4   0.7
UC210   50 90 51.6  24 0.78
UC210-30 1  7/8   3.5433 2.571 0.9449 0.85
UC210-31 1  15/16   0.8
UC211   55 100 55.5  25 1.07
UC211-32 2   3.637 2.189 0.9843 1.22
UC211-34 2  1/8   0.1
UC211-35 2  3/16   1.05
UC212   60 110 65.1  27 1.52
UC212-36 2  1/4   4.3307 2.563 1.063 1.65
UC212-38 1  3/8   1.49
UC212-39 1  7/16   1.42
UC213   65 120 65.1  28 1.8
UC213-40 2  1/2   4.7244 2.5630  1.1571 1.88
UC214   70 125 74.6  30 2.06
UC214-44 2  3/4   4.9213 2.9370  1.1811 2.07
UC215   75 130 77.8  32 2.19
UC215-47 2  15/16   5.1181 3.063 1.2598 2.21
UC215-48 3   2.11
UC216   80 140 82.6  33 2.82
UC216-50 3  1/8   5.5118 3.2520  1.2992 2.9
UC217   85 150 85.7  35 3.46
UC217-52 3  1/4   5.9055 3.3740  1.378 3.56
UC218   90 160 96.0  37 4.56
UC218-56 3  1/2   6.2992 3.7795  1.4567 4.62

 

Our Advantage:

1.Free Sample bearing

2.Bearing Small order accepted

3.Large bearingStocks 

4.OEM bearing service

5.Professional:24 years manufacture bearing

6.Customized bearing, Customer’s bearing drawing or samples accepted

7.Competitive price bearing

MAIN PRODUCTS

Alinging ball bearings, cylindrical roller bearings, deep grove ball bearings, self-aligning roller bearings, base bearings, car hub bearings,

truck hub bearings and other products, We can customize the bearing according to the drawings or samples provided by the customer

FIELDS OF APPLICATION

Grain machinery, textile machinery, washing machinery, engineering machinery, industrial deceleration machinery,

woodworking  machinery, papermaking machinery, mining machinery, coal mining machinery, lifting machinery, construction

machinery, large transportation equipment,chemical machinery, petroleum machinery, metallurgical industry, large steel mills,

cement plants,energy industry, automobiles, trucks, etc.

Packaging & Shipping

Plastic bag + single box + carton + tray;Industrial packaging + carton + pallet;

We also can According to your requirements to change.

Company Profile

HangZhou CZPT Trading Co., Ltd. was founded in August 2014. It is a bearing manufacturer integrating research, development and sale of bearings, with a floor area of 18,000 square meters and a plant area of 4,800 square meters. The company has a state-level enterprise technology center and a number of provincial high-tech enterprises with strong technical strength. our company was honored as competitive brand in the market.

Equipped with modern production equipment and advanced detection instruments, the company specially produces Bearings including 3 varieties of spherical roller bearings, namely cylindrical roller bearings, tapered roller bearings and thrust
spherical roller bearings, Automobile Hub Bearing,to replace imported high-end products.

With precision of grade P0, grade P6 P5 P4, we bearings are widely used in complete products in metallurgical, mining, petroleum, chemical, coal, cement, papermaking, wind power, heavy machinery, engineering machinery and port machinery industries.
With self-run import & export rights, it sells its products not only across China, but also in tens of other countries and areas
such as the United States, Canada, Italy, Russia, German and South Africa.

We would like to serve the customers around the world with our trustworthy products, reasonable price and attentive service.
The leading products of the company cover 3 main categories which include more than 3,000 types of bearing products.

FAQ

1.What is your Before-sales Service?
Offer to bear related consultation about technology and application;
Help customers with bearing choice, clearance configuration, products’ life and reliability analysis;
Offer highly cost-effective and complete solution program according to site conditions;
Offer localized program on introduced equipment to save running cost

2.What is your latest delivery time?
If the goods are in stock, usually 5-10 days. Or if the goods are not in stock, it is 15-20 days, which is based
on the quantity.

3.Does your company have quality assurance?
Yes, for 2 years.

4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.

5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required
by customers for customs clearance or sales. 100% after-sales service.

6.Which payment method does your company support?
30% deposit,balance payment before delivery.

7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number,
account or account, we will contact you as soon as possible.

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Aligning: Non-Aligning Bearing
Separated: Separated
Feature: Vacuum, Low Temperature, Corrosion Resistant, High Temperature, High Speed
Rows Number: Single
Raceway: Deep Groove Raceway
Material: Bearing Steel
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

nylon sleeve bearing

What is the role of cage design and materials in nylon sleeve bearing performance and durability?

The cage design and materials used in nylon sleeve bearings play a crucial role in their performance and durability. Here’s a detailed explanation of their role:

  • Cage Design:

The cage, also known as a retainer or separator, holds the rolling elements of a bearing, such as balls or rollers, in position. In the case of nylon sleeve bearings, the cage design is essential for maintaining proper spacing and alignment of the bearing surfaces. The primary role of the cage design is to ensure that the rolling elements are evenly distributed around the bearing circumference, reducing the risk of uneven loading and premature wear. Additionally, the cage design promotes the circulation of lubricants and prevents the rolling elements from contacting each other, minimizing friction and reducing heat generation.

The cage design also affects the overall stability and smoothness of operation. A well-designed cage reduces vibration, noise, and the risk of unwanted movement or skewing of the rolling elements. It helps maintain consistent bearing geometry and alignment, leading to improved performance and reliability of the nylon sleeve bearing.

  • Cage Materials:

The materials used in the construction of the cage have a significant impact on the performance and durability of nylon sleeve bearings. Some common cage materials for nylon bearings include various types of plastics, such as reinforced nylon, PTFE (polytetrafluoroethylene), or PEEK (polyetheretherketone).

The choice of cage material depends on factors such as the operating conditions, load requirements, and desired performance characteristics. The cage material should have sufficient strength and rigidity to hold the rolling elements in place under normal operating loads. It should also exhibit good resistance to wear, fatigue, and deformation, ensuring long-term durability and reliable performance.

Furthermore, the cage material should have low friction properties to minimize energy losses and reduce heat generation. This is particularly important in high-speed applications where frictional heat can affect the overall performance and service life of the nylon sleeve bearing.

Additionally, the cage material should be compatible with the operating environment. It should resist the effects of chemicals, lubricants, and temperature variations commonly encountered in the application. The choice of a suitable cage material ensures that the nylon sleeve bearing can withstand the specific environmental conditions and perform reliably over an extended period.

In summary, the cage design and materials in nylon sleeve bearings are critical for their performance and durability. The cage design ensures proper spacing, alignment, and lubrication of the rolling elements, promoting smooth operation and reducing friction and wear. The choice of cage material determines the strength, rigidity, low friction properties, and resistance to environmental factors. By optimizing the cage design and selecting appropriate materials, manufacturers can enhance the performance, reliability, and longevity of nylon sleeve bearings in various industrial applications.

nylon sleeve bearing

What are the potential challenges or limitations of using nylon sleeve bearings in specific industries?

When considering the use of nylon sleeve bearings in specific industries, there are several potential challenges or limitations to be aware of. Here’s a detailed explanation of the challenges and limitations associated with using nylon sleeve bearings in specific industries:

  • High Load and Impact Applications:

Nylon sleeve bearings may have limitations when it comes to high load and impact applications. While nylon has good strength and load-bearing capabilities, it may not be suitable for extremely heavy loads or applications with frequent impacts. Excessive loads or impacts can cause deformation, accelerated wear, or even failure of the nylon material. In such cases, alternative bearing materials with higher load and impact resistance, such as bronze or steel, may be more appropriate.

  • Elevated Temperatures:

Nylon sleeve bearings have temperature limitations, particularly when it comes to elevated temperatures. Nylon begins to soften and lose its mechanical properties at higher temperatures. Prolonged exposure to temperatures above its recommended operating range can result in deformation, reduced load capacity, and compromised performance of the bearings. In industries where high temperatures are common, such as automotive or industrial applications, alternative bearing materials capable of withstanding higher temperatures, such as specialized polymers or self-lubricating metals, may be more suitable.

  • Chemical Exposure:

While nylon sleeve bearings offer good resistance to certain chemicals, they may not be suitable for all types of chemical exposures. Nylon can be adversely affected by strong acids, strong bases, and certain solvents. In industries where extensive exposure to corrosive or chemically aggressive environments is expected, alternative bearing materials specifically designed for chemical resistance, such as PTFE (polytetrafluoroethylene) or stainless steel, may be more appropriate.

  • Hydrolysis:

Nylon is susceptible to hydrolysis, a chemical reaction that occurs when nylon comes into contact with water or high humidity over extended periods. Hydrolysis can lead to a decrease in mechanical properties, dimensional changes, and overall degradation of the nylon material. In industries where prolonged exposure to moisture or high humidity is expected, alternative bearing materials with better resistance to hydrolysis, such as acetal or PEEK (polyether ether ketone), may be more suitable.

  • Speed Limitations:

Nylon sleeve bearings have speed limitations due to factors such as heat generation and potential for material deformation at higher speeds. In high-speed applications, the centrifugal forces and generated heat can cause the nylon material to soften or warp, leading to reduced bearing performance and potential failure. If high-speed operation is a requirement, alternative bearing materials designed for high-speed applications, such as specialized self-lubricating metals or ceramic hybrids, may be more suitable.

In summary, while nylon sleeve bearings offer numerous advantages, they also have potential challenges and limitations in specific industries. Factors such as high loads, impacts, elevated temperatures, chemical exposure, hydrolysis, and speed limitations can affect the performance and suitability of nylon bearings. It is important to carefully assess the application requirements, operating conditions, and potential limitations of nylon sleeve bearings and consider alternative bearing materials when necessary to ensure optimal performance and longevity in specific industries.

nylon sleeve bearing

How do nylon sleeve bearings compare to other types of sleeve bearings, such as bronze?

When comparing nylon sleeve bearings to other types of sleeve bearings, such as bronze, there are several factors to consider. Here’s a detailed comparison between nylon sleeve bearings and bronze sleeve bearings:

  • Friction and Lubrication:

Nylon sleeve bearings have inherent low-friction properties, which reduce the need for additional lubrication. They offer self-lubrication capabilities, allowing them to operate with minimal or no external lubrication. On the other hand, bronze sleeve bearings typically require regular lubrication to minimize friction and wear. Lubrication is necessary to create a lubricating film between the bearing and the mating surface, reducing friction and preventing metal-to-metal contact.

  • Wear Resistance:

Both nylon and bronze sleeve bearings offer good wear resistance. Nylon bearings can withstand continuous sliding motion against mating surfaces without significant wear or damage. Bronze bearings, especially those made from materials like phosphor bronze or aluminum bronze, are also known for their excellent wear resistance. However, the specific wear characteristics may depend on the application requirements, load conditions, and environmental factors.

  • Corrosion Resistance:

In terms of corrosion resistance, nylon sleeve bearings have an advantage over bronze bearings. Nylon is highly resistant to corrosion and does not rust or corrode when exposed to moisture or most common chemicals. Bronze bearings, although generally resistant to corrosion, can be susceptible to oxidation or chemical attack in certain environments. Bronze bearings may require additional protective coatings or maintenance to prevent corrosion-related issues.

  • Load Capacity:

Bronze sleeve bearings typically have higher load-carrying capacities compared to nylon sleeve bearings. Bronze, being a metal alloy, offers greater strength and hardness, allowing it to withstand heavier loads and higher pressures. Bronze bearings are commonly used in applications that involve significant loads or impact forces. Nylon bearings, while suitable for many moderate-load applications, may not be as appropriate for extremely heavy load conditions.

  • Temperature Range:

Bronze bearings generally have a wider temperature range compared to nylon bearings. Bronze can withstand higher temperatures without significant loss of mechanical properties. It is commonly used in high-temperature applications where nylon may not be suitable due to its lower melting point. Nylon sleeve bearings have a temperature limit, beyond which the material can deform or degrade. They are typically used in applications with lower temperature requirements.

  • Noise and Vibration:

Nylon sleeve bearings offer inherent noise reduction capabilities due to their low-friction operation. They can help dampen vibrations and reduce noise levels, contributing to quieter machinery and equipment. Bronze bearings, depending on their design and lubrication, can generate more noise and vibrations during operation. Additional measures, such as proper lubrication and vibration dampening arrangements, may be required to minimize noise and vibration in bronze bearing applications.

  • Cost:

In terms of cost, nylon sleeve bearings are generally more cost-effective compared to bronze bearings. Nylon is a readily available and cost-efficient material, making the manufacturing of nylon bearings economical. Bronze bearings, especially those made from high-performance alloys, can be more expensive due to the cost of raw materials and the manufacturing process. The cost difference may vary depending on the specific application requirements and the availability of materials.

In summary, nylon sleeve bearings and bronze sleeve bearings have distinct characteristics and advantages. Nylon bearings offer low friction and self-lubrication properties, corrosion resistance, and cost-effectiveness. They are suitable for moderate-load applications and environments where corrosion is a concern. Bronze bearings provide higher load capacities, wider temperature ranges, and are commonly used in heavy-load applications. The choice between nylon and bronze depends on the specific application requirements, load conditions, temperature range, and other factors.

China OEM Pillow Block Bearing Pillow Block Bearing Block UCP Auto Part Bearing Units Bearing Housings Adapter Sleeve Pillow Block Housing   drive shaft bearingChina OEM Pillow Block Bearing Pillow Block Bearing Block UCP Auto Part Bearing Units Bearing Housings Adapter Sleeve Pillow Block Housing   drive shaft bearing
editor by CX 2024-01-16

China wholesaler Auto Spare Parts Engine Drive Shaft Center Support Bearing 3454100051 ball bearing

Product Description

HangZhou Yuantuo Auto Parts Manufacturing Co., Ltd was founded in 1990,which is a company specialized in production and sales of rubber parts such as center support bearing,wiper blade and torque rod bush in China.It is located in the beautiful and rich city HangZhou with a very convenient transportation near ZheJiang Kowloon Railway at the east and near National Road 106 and 308.And it covers an area of 30,000 square meters.

It continually introduces new advanced equipment and production process to enhance core competence and reduce production cost. Our products cover more than 100 models,We all along stick to the belief of quality first and customer orientation. Now our products have been exported to many countries, such as USA, Russia, Mexico, Italy, Germany, Iran, Egypt, Dubai, Malaysia, Brazil, Peru, Nigeria, Pakistan, India etc. Strict quality control and perfect after-sales service make our products widely welcomed in domestic and overseas markets.

YTK as a global manufacture specialized in auto wiper blade,our company has been ahead of the industry advanced level in rubber srtip technology after more tan 10 years of continuous development and technolgical inovation.And we are always pursing “cost-effective product ” and provide the cutstomers with safe and high quality wiper as the core idea of our company.We laid a solid foundation for cooperation by continuous innowation of patend products.Our products cover a compleat range of models and non-standard products could be cus-tomized.Our company always sticks to the service  objective of keeping the customers satisfied .Hope that YTK could have common development and share succession to create a beautiful future together with you .

 

 

 

YOU COULD GET (Cooperation with us):

1 More than 360 types of models,expand your product catalog.
2 More better price than the trading company.
3 Support CZPT development help you CZPT the market opportunity.
4 Stock a lot of product mold, save the cost of developing mold for you.
5 Fast delivery!
6. Production capacity: 60,000-80,000 PCS/ month.

FAQ

 

Q1. What is your terms of packing?

      Generally, we pack our goods in neutral  boxes and brown cartons or as your demand.
       If you have legally registered patent,we can pack the goods in your branded boxes after getting your authorization letters.

 

Q2. What is your terms of delivery?

       EXW, FOB, CIF, CFR

 

Q3. How about your delivery time?

      Generally, it will take 10 to 30 days after receiving your advance payment.
      The specific delivery time depends on the items and the quantity of your order.

Condition: New
Color: Black
Certification: ISO
Material: Rubber
Transport Package: as Your Demand
Specification: Standard
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

bearing

How to Replace a Bearing

If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.

Z axis

When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.

Angular contact

Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.

Ball bearings

bearing
Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.

Sliding-contact bearings

bearing
The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.

China wholesaler Auto Spare Parts Engine Drive Shaft Center Support Bearing 3454100051   ball bearingChina wholesaler Auto Spare Parts Engine Drive Shaft Center Support Bearing 3454100051   ball bearing
editor by CX 2023-06-07

China Standard 67048/10 11949/10 11749/10 12649/10 102949/10 300849/10 45449/10 39590/39520 Tapered Taper Roller Bearing Auto Wheel Hub Rodamientos Bearings Rolamentos Rulman drive shaft bearing

Product Description

UMZ Bearing ,The rolling element of bearing is taper roller, cone roller bearing inner circle has tapered roller.Conical extension all the to the same point on the axis bearing, tapered roller bearings belong to the body bearing, our company can according to customer’s special requirements, and design production, can provide a metric system size and non-standard bearings.
Tapered roller bearing can be a direction under high load, radial and axial practical in low and middle speed aspect, we are CZPT to offer the following range of bearings: single row, double row, four column type, precision for PO and level P6.

Name:  67048/10 11949/10 11749/10 12649/10 157149/10 300849/10 45449/10 39590/39520 Tapered Taper Roller Bearing Auto Wheel Hub Rodamientos Bearings Rolamentos Rulman
Model  No. 67048/10 11949/10 11749/10 12649/10 44649/10 45449/10 39590/39520
Type: Inch Tapered Roller Bearing/Taper Roller Bearing
Weight: Standard weight
Specifications: Standard size 
Material: Chrome steel GCR-15
CAGE: Steel Cage and Nylon Cage
Rolling body: Roller

UMZ INCH TAPERED ROLLER BEARING
The structure, assembly dimension accuracy and rotation accuracy of Inch tapere roller bearings are different from those of metric bearings.It is mainly used for import-ed machinery or industries with special needs.
The Inch  tapered roller bearing refers to the tapered roller bearing whose overall dimensions are measured in inches, originated from Britain and the United States;
Structure: single column, double column and 4 columns

UMZ Bearing-ZheJiang HangZhou Precision Bearing Co., Ltd. has the most advanced production equipment and perfect testing instruments. Tapered Roller Bearing, Auto wheel Bearing, Deep Groove Ball Bearing,Pillow Block Bearing,Cylindrical Roller Bearing are our main product which is strictly followed with the ISO9001 Quality Management System Standard and IATF16949 Quality Standard. The company has registered trademark “UMZ”. The products have been sold to all over the world and have replaced some of the imported products. What’s more, The products have been exported to more than 20 countries and the areas, such as the USA,Italy,Mexico,Russia,Brazil,Spain and Middle-east,etc., which is Deeply Prided by new and old customers.
                                                                 
                                                      
Assembly Workshop
                                                                              Test Workhouse 
The company has complete detection means, measure and improve the means of detection means,online detection and performance of finished bearings. Have life test machine, grease leakage temperature rise test, cleanliness measuring device, roundness instrument, curvature tester, roughness tester, liquid gap tester, vibration instrument and various bearing special inspection instrument the key of high precision instruments such as CZPT instrument, roundness instrument etc. are from Britain, Japan and other countries to introduce merit, not only the formation of the strict product quality inspection system, and fully capable of independent research and Analysis on the bearing performance indexes.

Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibilities when defective products were found:
1.12 months warranty from the first day of receiving goods;
2. Replacements would be sent with goods of your next order;
3. Refund for defective products if customers require.

Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we also customize OEM box and packing as your requirements.

Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.

Q:How long is the lead time?
A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.

Q:Do you offer free samples? 
A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight. We DO NOT offer free samples to end users. 

Q:How to place order?
A: 1. Email us the model, brand and quantity,shipping way of bearings and we will quote our best price for you; 
2. Proforma Invoice made and sent to you as the price agreed by both parts; 
3. Deposit Payment after confirming the PI and we arrange production; 
4. Balance paid before shipment or after copy of Bill of Loading.
 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

bearing

Types of Ball Bearings

In their most basic form, Ball Bearings have one common feature – they are made of steel. The majority of these bearings are made of 52100 steel, which has one percent chromium and one percent carbon. The steel can be hardened by heat trea
tment. 440C stainless steel is used for rusting problems. A cage around the ball balls is traditionally made from thin steel. However, some bearings use molded plastic cages to save money and friction.

Single-row designs

Steel linear translation stages often use single-row designs for ball bearings. These types of bearings provide smooth linear travel and can withstand high loads. The material steel has a high modulus of elasticity and a high stiffness, as well as a lower thermal expansion than aluminum. For these reasons, steel is the material of choice for a ball bearing in a typical user environment. Single-row designs for ball bearings are also suitable for applications in humid or corrosive environments.
Single-row designs for ball bearings are available in a variety of sizes and are axially adjustable. They have a high radial capacity, but require relatively little space. Single-row deep groove ball bearings with snap rings are STN 02 4605 or R47, respectively. Bearings with snap rings are identified by a suffix such as NR. They may not have seals or shields installed.
These single-row angular contact ball bearings are capable of supporting axial and radial loads. In a two-raceway arrangement, the radial load on bearing A causes a radial load to act on bearing B. Both axial and radial forces are transmitted between single-row angular contact ball bearings, and the resulting internal force must be taken into account to calculate equivalent dynamic bearing loads P.
Single-row deep groove ball bearings are the most common type of ball bearings. These bearings are designed with only one row of rolling elements. The single-row design is simple and durable, which makes it ideal for high-speed applications. Single-row designs for ball bearings are also available in various bore sizes. They can also come in a variety of shapes and are non-separable. If you need a high-speed bearing, you may want to opt for a double-row design.
In addition to single-row designs for ball bearings, you can choose ceramic or steel ball bearings. Ceramic balls are considerably harder than steel balls, but they are not as hard as steel. Hence, ceramic bearings are stiffer than steel ball bearings, resulting in increased stress on the outer race groove and lower load capacity. This is a great benefit for those who need the bearings to be lightweight and strong.
The difference between single-row and double-row designs is in the way that the inner and outer ring are installed. A single-row design places the inner ring in an eccentric position relative to the outer ring. The two rings are in contact at one point, which causes a large gap in the bearing. The balls are then inserted through the gap. As a result, the balls are evenly distributed throughout the bearing, which forces the inner and outer rings to become concentric.
Deep-groove ball bearings are one of the most popular types of ball bearings. They are available in different designs, including snap-ring, seal and shield arrangements. The race diameter of a deep-groove ball bearing is close to the ball’s diameter. These types of bearings are suited for heavy loads, and their axial and radial support are excellent. Their main drawback is that the contact angle cannot be adjusted to accommodate a wide range of relative loads.
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Ceramic hybrid ball bearings

Hybrid ball bearings with ceramic balls have numerous advantages. They feature improved kinematic behavior and require less lubrication. Consequently, they can reduce operating costs. Additionally, their low thermal expansion coefficient allows for smaller changes in contact angle and preload variations, and they can retain tolerances. Furthermore, ceramic hybrid ball bearings have significantly increased life spans compared to conventional steel-steel ball bearings, with up to 10 times the lifespan.
Although ceramic bearings can be used in automotive applications, many people believe that they’re a poor choice for bicycle hubs. They don’t reduce weight and only work well in high-rpm environments. As a result, many cyclists don’t even bother with ceramic-based bearings. However, both Paul Lew and Alan are of the opinion that ceramic bearings are best suited for industrial or medical equipment applications. Furthermore, Paul and Alan believe that they are ideal for high-altitude drone motors.
Another advantage of ceramic hybrid ball bearings is that they use less friction than conventional steel-based balls. They are also more durable, requiring less lubrication than steel-based bearings. Furthermore, the lower friction and rolling resistance associated with ceramic-based ball bearings means that they can last ten times longer than steel-based bearings. A ceramic-based hybrid ball bearing can be used for applications where speed and lubrication are critical.
Ceramic hybrid ball bearings feature both steel and silicon nitride balls. Silicon nitride balls have 50% more modulus of elasticity than steel balls and can improve accuracy and precision. Ceramic balls also have a smoother surface finish than steel balls, which reduces vibration and spindle deflection. These benefits result in increased speed and improved production quality. In addition to this, ceramic balls can also reduce the operating temperature, enhancing the work environment.
Hybrid bearings are a popular alternative to steel bearings. They have some benefits over traditional steel bearings, and are becoming a popular choice for engineered applications. Hybrid bearings are ideal for high speed machines. The material used to manufacture ceramic balls is a high-quality alloy, and is comparatively inexpensive. But you must understand that lubrication is still necessary for hybrid bearings. If you are not careful, you may end up wasting money.
These ball bearings can be used in many industries and applications, and they are widely compatible with most metals. The main advantage of hybrid ball bearings is that they are very durable. While steel balls tend to corrode and wear out, ceramic ball bearings can withstand these conditions while minimizing maintenance and replacement costs. The benefits of hybrid ball bearings are clear. So, consider switching to these newer types of ball bearings.
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Self-aligning ball bearings

Self-aligning ball bearings are a good choice for many applications. They are a great alternative to traditional ball bearings, and they are ideal for rotating applications in which the shaft must move in several directions. They are also ideal for use in rotating parts where a tight tolerance is necessary. You can choose between two types: plain and flex shaft. Read on to find out which one will suit your needs.
Self-aligning ball bearings are designed with a higher axial load carrying capacity than single-row radial deep groove ball bearings. The amount of axial load carrying capacity is dependent upon the pressure angle. These bearings have a hollow raceway in the outer ring that allows the inner ring to pivot without friction. They are often used for high-speed applications. Because of their design, they are highly accurate.
Self-aligning ball bearings are radial bearings that feature two rows of balls in a spherical outer ring. They also feature two deep uninterrupted raceway grooves in the inner ring. Their unique features make them an excellent choice for applications where shaft deflection is a significant factor. Despite their small size, they have a high level of precision and can withstand heavy loads.
Self-aligning ball bearings can compensate for misalignment in shaft applications. The inner ring and ball assembly are positioned inside an outer ring containing a curved raceway. This spherical design allows the balls and cage to deflect and re-align around the bearing center. These bearings are also ideal for applications where shaft deflection is significant, such as in simple woodworking machinery.
Another type of self-aligning ball bearing uses a common concave outer race. Both balls and outer races automatically compensate for angular misalignment caused by machining, assembly, and deflections. Compared to spherical rollers, they have lower frictional losses than their spherical counterparts. Self-alignment ball bearings also have lower vibration levels compared to other types of bearings.
Self-aligning ball bearings operate in misaligned applications because their spherical outer raceway can accommodate misalignment. This design allows them to work in applications where shaft deflection or housing deformation is common. They are therefore more suitable for low to medium-sized loads. The only real drawback to self-aligning ball bearings is their price. If you need to purchase a self-aligning ball bearing for your next project, you can expect to pay around $1500.

China Standard 67048/10 11949/10 11749/10 12649/10 102949/10 300849/10 45449/10 39590/39520 Tapered Taper Roller Bearing Auto Wheel Hub Rodamientos Bearings Rolamentos Rulman   drive shaft bearingChina Standard 67048/10 11949/10 11749/10 12649/10 102949/10 300849/10 45449/10 39590/39520 Tapered Taper Roller Bearing Auto Wheel Hub Rodamientos Bearings Rolamentos Rulman   drive shaft bearing
editor by CX 2023-05-30