Tag Archives: rubber shaft

China Best Sales Fiber Rubber Lined Cutless Bearing Motor Shaft Bearing Sleeve Plastic Nylon Bushing Flame Retardant Flat Strain Shaft Sleeve Cutless Bearing with high quality

Product Description

Axis Diameter
Outside Diameter B Bearing Length C Metal Wall Thickness D (Weight)
In mm In mm In mm In mm W
3/4″ 19.05 1-1/4″ 31.75 3″ 76.20 1/8″ 3.18 0.217
7/8″ 22.23 1-1/4″ 31.75 3T/2″ 88.90 3/64″ 1.19 0.123
7/8″ 22.23 1-3/8″ 34.93 3-1/2″ 88.90 1/8″ 3.18 0.298
7/8″ 22.23 1-1/2″ 38.10 3-1/2″ 88.90 1/8″ 3.18 0.324
1″ 25.40 1-1/4″ 31.75 4″ 101,6 3/64″ 1.19 0.127
1″ 25.40 1-3/8″ 34.93 4″ 101.6 3/64″ 1.19 0.156
1″ 25.40 1-1/2″ 38.10 4″ 101.6 1/8″ 3.18 0.356
1″ 25.40 1-5/8° 41.28 4″ 101.6 1/8″ 3.18 0.500
1″ 25.40 2″ 50.80 4″ 101.6 1/8* 3.18 0.566
1-1/8″ 28.58 1-1/2″ 38,10 4-1/2″ 114,3 3/64″ 1.19 0.193
1-1/8″ 28.S8 1-5/8″ 41.28 4-1/2″ 114.3 1/8″ 3.18 0.438
1-1/8″ 28.58 1-3/4″ 44.45 4T/2″ 114.3 1/8″ 3.18 0.496
1-1/8″ 28.58 2″ 50.80 4-1/2″ 114.3 1/8″ 3.18 0.618
1-1/4″ 31.75 1-1/2″ 38.10 5″ 127 3/64″ 1.19 0.192
1-1/4″ 31.75 1-3/4″ 44.45 5″ 127 1/8″ 3.18 0.526
1-1/4″ 31.75 2″ 50.80 5″ 127 1/8″ 3.18 0.664
1-1/4″ 31.75 2-1/8″ 53.98 5″ 127 1/8″ 3.18 0.735
1-3/8° 34.93 1-7/8° 47.63 5 -1/2″ 139.7 1/8″ 3.18 0.626
1-3/8″ 34.93 2″ 50.80 5-1/2″ 139.7 1/8″ 3.18 0.702
1-3/8″ 34.93 2-1/8″ 53.98 5-1/2″ 139.7 1/8″ 3.18 0.781
1-3/8″ 34.93 2-3/8″ 60.33 5-1/2″ 139.7 1/8″ 3.18 0.946
1-1/2″ 38.10 2″ 50.80 6″ 152.4 1/8″ 3.18 0.733
1-1/2° 38.10 2-3/8″ 60.33 6″ 152.4 1/8″ 3.18 1.000
1-1/2″ 38.10 2-W 57.15 6″ 152.4 1/8″ 3.18 0.800
1-5/8″ 41.28 2-1/8″ 53.98 6-1/2″ 165.1 1/8″ 3.18 0.848
1-5/8″ 41.28 2-5/8″ 66.68 6-1/2″ 165.1 1/8″ 3.18 1.251
1-3/4″ 44.45 2-3/8″ 60.33 T 177.8 1/8″ 3.18 1.078
1-3/4° 44.45 2-5/8° 66.68 7n 177.8 1/8″ 3.18 1.23
1-3/4″ 44.45 2-1/4″ 57.15 T 117.8 1/8″ 3.18  
1-3/4″ 44.45 2-1/2″ 63,50 T 177,8 1/8″ 3.18 1.00
1-7/8″ 47.63 2-5/8″ 66.68 7-1/2″ 190.5 1/8″ 3.18 1.342
1-7/8″ 47.63 2-15/16″ 74.61 7T/2″ 190.50 1/8″ 3.18 1.743
2″ 50.80 2-5/8″ 66.68 8″ 203.20 1/8″ 3.18 1.100
2″ 50.80 3″ 76.20 8″ 203.20 1/8H 3.18 1.300
2″ 50.80 2-3/4″ 69.85 8″ 203.20 1/8″ 3.18 1.400
2-1/8″ 53.98 2-15/16″ 74.61 8-1/2″ 215.90 1/8″ 3.18 1.600
2-1/8″ 53.98 3-1/8″ 79.38 8T/2″ 215.90 1/8″ 3.18 1.983
2-1/4° 57.15 2-15/16″ 74.61 9″ 228.60 1/8″ 3.18 1.781
2-1/4″ 57.15 3-1/8″ 79.38 9″ 228.60 1/8″ 3.18 2.571
2-1/4″ 57.15 3-3/8″ 85.73 9″ 228,60 1/8″ 3.18 2.364
2-1/4″ 57.15 3″ 76.20 9″ 228.60 1/8″ 3.18 1.600
2-3/8″ 60.33 3-3/8″ 85.73 9T/2″ 241.30 1/8″ 3.18 2.200
2-1/2° 63.50 3-1/8° 79.38 10″ 254.00 1/8″ 3.18 1.800

Company Profile

HangZhou CZPT BEARING Co., Ltd is specialized in bearings areas since 2013, we create an innovative sales service of bearings to satisfy diffierent kinds of application.

We are located in HangZhou city, ZHangZhoug province, China, near HangZhou and ZheJiang port, which has recognized by special ISO, with CE certificiate, The various bearings we produce there have been inspected and confirmed by SGS to be RoHS compliant.

We Registered “GNYAR” in 2014, registered “MAJC” in 2018, both was received in high-performance praise, and earned high reputation. Our products is widely used to mining machinery, motorcycle parts, agricultural machine, auto parts and embroidery machine spare parts, Power tools, bicycle, Semiconductor Facilities. Fitness Equipments, Toys, fishing, industrial using design, etc.

After years of development, we believe that by establishing a mutually beneficial relationship with our customers we can both continue to grow and prosper, we wish and hope to always grant you satisfaction.




Packaging & Shipping


  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Customized: Non-Customized
Standard Parts: Yes
Universal: Yes
Type: Bearing Roller
Material: Stainless Steel
Model Number: Brass Flange
US$ 20/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

nylon sleeve bearing

Are there specific considerations for choosing nylon sleeve bearings in applications with high-speed or heavy load requirements?

Yes, there are specific considerations to keep in mind when choosing nylon sleeve bearings for applications with high-speed or heavy load requirements. Here’s a detailed explanation of these considerations:

  • High-Speed Applications:

When selecting nylon sleeve bearings for high-speed applications, several factors need to be considered:

  • Material Selection:

Choose a nylon material with low friction properties to minimize heat generation and reduce the risk of excessive wear at high speeds. Reinforced nylon or specialty formulations designed for high-speed applications are often preferred. These materials offer improved mechanical properties and can handle the demands of high-speed rotation while maintaining their structural integrity.

  • Lubrication:

Ensure that the nylon sleeve bearings are properly lubricated to reduce friction and dissipate heat. Consider self-lubricating nylon bearings that incorporate solid lubricants or additives within the material. These bearings provide continuous lubrication during operation, reducing the need for external lubrication and ensuring smooth performance at high speeds.

  • Cage Design:

Pay attention to the cage design of the nylon sleeve bearings. Opt for a cage design that promotes even distribution of the rolling elements and minimizes vibration and unwanted movement. A well-designed cage enhances stability and reduces the risk of issues caused by high-speed rotation, such as ball skidding or roller skewing.

  • Heavy Load Applications:

When considering nylon sleeve bearings for heavy load applications, the following factors should be taken into account:

  • Load Capacity:

Verify that the nylon sleeve bearings have the necessary load capacity to support the anticipated loads. Nylon bearings are available in different sizes and configurations, each with its own load-carrying capabilities. Consider the expected radial and axial loads and choose bearings that can withstand these forces without excessive deformation or premature failure.

  • Material Strength:

Select a nylon material with high mechanical strength and rigidity to handle heavy loads. Reinforced nylon or specialty formulations with enhanced strength properties are commonly used in heavy load applications. These materials provide the necessary structural integrity and resistance to deformation under significant loads.

  • Lubrication and Wear:

Ensure proper lubrication to reduce friction and wear between the bearing surfaces. Heavy loads can generate higher levels of heat and stress, increasing the risk of wear and premature failure. Consider self-lubricating nylon bearings or implement a lubrication regimen that adequately addresses the demands of the heavy load conditions.

It is important to note that while nylon sleeve bearings can handle high-speed or heavy load applications, there may be practical limits to their performance. In cases of extremely high speeds or exceptionally heavy loads, alternative bearing materials or designs, such as ball or roller bearings, may be more suitable.

In summary, when choosing nylon sleeve bearings for high-speed or heavy load applications, consider factors such as material selection, lubrication, cage design, load capacity, material strength, and wear prevention. By carefully evaluating these considerations, you can ensure that the nylon sleeve bearings meet the specific demands of the application, providing reliable performance and extended service life.

nylon sleeve bearing

What is the impact of proper lubrication and maintenance on the performance and lifespan of nylon sleeve bearings?

Proper lubrication and maintenance have a significant impact on the performance and lifespan of nylon sleeve bearings. Adequate lubrication and regular maintenance help ensure optimal operation, minimize wear, and extend the lifespan of the bearings. Here’s a detailed explanation of the impact of proper lubrication and maintenance on nylon sleeve bearings:

  • Reduction of Friction and Wear:

Proper lubrication creates a thin film or layer of lubricant between the bearing surfaces, reducing friction and minimizing wear. Nylon sleeve bearings rely on this lubricating film to reduce direct contact between the moving parts. Insufficient or inadequate lubrication can lead to increased friction, heat generation, and accelerated wear, potentially causing premature failure of the bearings. Regular lubrication and maintenance ensure that the bearings continue to operate smoothly and efficiently, minimizing friction-related issues and extending their lifespan.

  • Prevention of Dry Running:

Dry running, which refers to the operation of bearings without sufficient lubrication, can be detrimental to the performance and lifespan of nylon sleeve bearings. Without proper lubrication, the bearing surfaces can experience increased friction, heat buildup, and potential damage. Regular lubrication helps prevent dry running, ensuring that the bearings operate with reduced friction, minimal wear, and improved longevity.

  • Protection Against Contamination:

Adequate lubrication acts as a protective barrier, preventing contaminants such as dust, dirt, moisture, and debris from entering the bearing surfaces. Contamination can cause abrasive wear, corrosion, and other forms of damage to the bearings. Proper lubrication and maintenance practices help maintain a clean and controlled operating environment, reducing the risk of contamination and preserving the performance and lifespan of the nylon sleeve bearings.

  • Temperature Regulation:

Lubrication plays a crucial role in temperature regulation within nylon sleeve bearings. During operation, friction generates heat, and proper lubrication helps dissipate this heat, preventing excessive temperature rise. Overheating can lead to thermal damage, degradation of the nylon material, and a decrease in bearing performance. Regular lubrication ensures that the bearings remain within the appropriate temperature range, promoting optimal functioning and prolonging their lifespan.

  • Identification of Issues:

Regular maintenance and lubrication routines provide opportunities to inspect nylon sleeve bearings for signs of wear, damage, misalignment, or other issues. By closely monitoring the condition of the bearings, any potential problems can be detected early on, allowing for timely repairs or replacements. This proactive approach to maintenance can prevent catastrophic failures, minimize downtime, and extend the overall lifespan of the bearings.

In summary, proper lubrication and maintenance have a profound impact on the performance and lifespan of nylon sleeve bearings. They reduce friction and wear, prevent dry running, protect against contamination, regulate temperature, and facilitate the early detection of issues. By following recommended lubrication practices and conducting regular maintenance, users can optimize the operation, minimize wear, and extend the lifespan of their nylon sleeve bearings.

nylon sleeve bearing

Can you explain the advantages of using nylon as a material for sleeve bearings?

Using nylon as a material for sleeve bearings offers several advantages due to its unique properties and characteristics. Here’s a detailed explanation of the advantages of using nylon for sleeve bearings:

  • Low Friction:

Nylon exhibits low friction properties, which makes it an excellent choice for sleeve bearings. The material’s molecular structure provides inherent lubricity, reducing friction between the bearing and the mating surface. This low-friction characteristic helps minimize energy losses, improve efficiency, and reduce wear on the bearing and the mating components. It also contributes to quieter operation, making nylon sleeve bearings suitable for applications where noise reduction is important.

  • Self-Lubricating:

Nylon has self-lubricating properties, which means it can operate with minimal or no additional lubrication. The material’s surface has a natural ability to retain and distribute lubricating agents, reducing the need for continuous external lubrication. This feature simplifies maintenance requirements and lowers operating costs. The self-lubricating nature of nylon also helps prevent dry running, which can lead to increased friction, heat generation, and premature wear.

  • Wear Resistance:

Nylon sleeve bearings offer good wear resistance, allowing them to withstand continuous sliding motion against mating surfaces without significant wear or damage. The material’s durable nature ensures a longer service life and reduces the frequency of bearing replacements. Nylon’s wear resistance is particularly beneficial in applications with high-speed rotation, heavy loads, or abrasive environments, where the bearing is exposed to challenging operating conditions.

  • Corrosion Resistance:

Nylon is highly resistant to corrosion, making it suitable for applications in moist or corrosive environments. Unlike metal bearings, nylon sleeve bearings do not rust or corrode when exposed to water, chemicals, or most common lubricants. This corrosion resistance extends the lifespan of the bearings and reduces the risk of premature failure. Nylon sleeve bearings can be a cost-effective alternative to metal bearings in applications where corrosion is a concern.

  • Chemical Resistance:

Another advantage of nylon as a material for sleeve bearings is its excellent chemical resistance. Nylon can withstand exposure to a wide range of chemicals, solvents, and industrial fluids without significant degradation. This property allows nylon sleeve bearings to be used in environments where exposure to chemicals is common, such as chemical processing plants or laboratories. The chemical resistance of nylon ensures the reliability and longevity of the bearings in these demanding applications.

  • Lightweight:

Nylon is a lightweight material, making it advantageous for applications that require weight reduction or where low inertia is essential. Compared to traditional metal bearings, nylon sleeve bearings contribute to overall weight savings in machinery and equipment. The reduced weight can lead to improved energy efficiency, reduced operating costs, and easier handling during installation and maintenance.

  • Cost-Effectiveness:

Nylon sleeve bearings are often more cost-effective than metal bearings. Nylon is a readily available and cost-efficient material, making the manufacturing of nylon bearings economical. Additionally, the self-lubricating properties of nylon reduce the need for additional lubricants and maintenance, resulting in lower operating costs over time. The extended service life and reduced replacement frequency of nylon sleeve bearings also contribute to cost savings.

In summary, using nylon as a material for sleeve bearings offers several advantages, including low friction, self-lubrication, wear resistance, corrosion resistance, chemical resistance, lightweight construction, and cost-effectiveness. These characteristics make nylon sleeve bearings a popular choice in various applications, providing reliable and efficient operation while minimizing maintenance requirements and overall costs.

China Best Sales Fiber Rubber Lined Cutless Bearing Motor Shaft Bearing Sleeve Plastic Nylon Bushing Flame Retardant Flat Strain Shaft Sleeve Cutless Bearing   with high qualityChina Best Sales Fiber Rubber Lined Cutless Bearing Motor Shaft Bearing Sleeve Plastic Nylon Bushing Flame Retardant Flat Strain Shaft Sleeve Cutless Bearing   with high quality
editor by CX 2024-02-21