China manufacturer High Flexible Engine Parts Dac30630042 Motorcycle Parts Auto Bearing bearing driver kit

Product Description



Product Description

DAC wheel bearings is a double row angular contact ball bearing incorporating an integral outer ring and 2 separable inner rings, which is available either with seals or without seals. DAC  wheel bearings are used in automotive axles at the hub used for load-bearing and rotating parts to provide accurate guidance, both axial load and radial load, a car load and rotational important part. According to the type of rolling elements, it is divided into angular contact ball bearings and angular contact roller bearings. DAC  wheel bearings have been designed with axial play in mind, so no clearance adjustment is required for installation.



MATERIAL: Chrome Steel SAE521 25 52 37 37 0.31 DAC25520042 25 52 42 42 0.36 DAC25520043 25 52 45 43 0.37 DAC25550043 25 55 43 43 0.44 DAC25560032 25 56 32 32 0.34 DAC27520045/43 27 52 43 45 0.34 DAC27600050 27 60 50 50 0.56 DAC28580042 28 58 42 42 0.47 DAC28580044           DAC28610042 28 61 42 42 0.56 DAC29530037 29 53 37 37 0.35 DAC3 0571 042 30 58 42 42 0.4 DAC30600037 30 60 37 37 0.42 DAC30600337 30 60.03 37 37 0.42 DAC30630042 30 63 42 42 0.56 DAC30640042 30 64 42 42 0.49 DAC30650571-Single row 30 65 21 21 0.27 DAC306500264 30 67 24 24 0.34 DAC30680045 30 68 45 45 0.73 DAC32700038 32 70 38 38 0.62 DAC32720345 32 72.03 45 45 0.6 DAC34620037 34 62 37 37 0.41 DAC34640034 34 64 34 34 0.43 DAC34640037 34 64 37 37 0.47 DAC34660037 34 66 37 37 0.5 DAC35640037 35 64 37 37 0.46 DAC35618040           DAC35650035 35 65 35 35 0.4 DAC35650037 35 65 37 37 0.51 DAC35660032 35 66 32 32 0.42 DAC35660033 35 66 32 32 0.43 DAC35660037 35 66 37 37 0.48 DAC35680037 35 68 37 37 0.52 DAC35680033/30           DAC35685713/30 35 68.02 30 33 0.47 DAC35725718 35 72.02 28 28 0.49 DAC35720033 35 72 33 33 0.58 DAC3572571 35 72.04 33 33 0.58 DAC35725713/31 35 72.02 31 33 0.54 DAC35720034 35 72 34 34 0.58 DAC3572571 35 72.04 34 34 0.58 DAC35760054 35 76 54 54 0.95 DAC36680033 36 68 33 33 0.47 DAC36720033/28 36 72 28 33   DAC36720034 36 72 34 34 0.57 DAC36720042 36 72 34 34 0.72 DAC36765712/27 36 76 27 29.2 0.55 DAC37680034            DAC3772033 37 72 37 37 0.51 DAC37720037 37 72 37 37 0.59 DAC37725717 37 72.02 37 37 0.59 DAC3772571 37 72.04 37 37 0.59 DAC37740045 37 74 45 45 0.79 DAC38700037 38 70 37 37 0.56 DAC38700038 38 70 38 38 0.57 DAC38715713/30           DAC38710039 37.99 71 39 39 0.62 DAC38720034 38 12.041 34 34 0.54 DAC38720040 38 72 40 40 0.63 DAC38740036/33           DAC38725716/33           DAC38730040 38 73 40 40 0.67 DAC38745716/33 37.99 74.02 33 36 0.59 DAC38740040           DAC38740050 38 74 50 50 0.85 DAC38740450 38 74.04 50 50 0.85 DAC39680037 39 68 37 37 0.48 DAC39680637 39 68.06 37 37 0.48 DAC3968571 39 68.07 37 37 0.48 DAC39720037 39 72 37 37 0.6 DAC39720637 39 72.06 37 37 0.6 DAC39740036/34 39 74 34 36   DAC39740039 39 74 39 39 0.66 DAC40720037 40 72 37 37 0.55 DAC40720637 40 72.06 37 37   DAC40740036 40 74 36 36 0.62 DAC40740036/34 40 74 34 36 0.58 DAC40740040 40 74 40 40 0.67 DAC40740042 40 74 42 42 0.7 DAC4571037 40 75 37 37 0.62 DAC39 43/45 82 37 37 0.76 DAC44825037 44 82.5 37 37 0.73 DAC45800045 45 80 45 45 0.78 DAC45840039 45 84 39 39 0.85 DAC45840041/39 45 84 39 41 0.8 DAC45840042/40 45 84 40 42 0.94 DAC45840045 45 84 45 45 0.97 DAC4585571           DAC458500302 45 85 30.2 30.2 0.63 DAC45850041 45 85 41 41 0.89 DAC47810053 47 81 53 53 0.95 DAC47850045 47 85 45 45   DAC48860042/40           DAC48890044/42 48 89 42 44 1.07 DAC49880046           DAC49840048 49 84 48 48 0.89 DAC49840050 49 84 50 50   DAC49880046 49 88 46 46 1.05 DAC50900034           DAC55900060 55 90 60 60 1.5



Packaging & Shipping


FQN can supply Complete series Mounted Ball Bearing Unit as follows:

1. Pillow block bearing                        2. 4-Bolt Flange unit                               3. 2-Bolt Flange unit

4. Ajustable 2-Bolt Flange unit            5. 3-Bolt Flange unit                               6. 4-Bolt Flange Cartridge unit

7. Take-up units                                   8. Section steel frame Take-up units      9. Channel steel frame take-up units

10. steel plate frame take-up units     11. Cartridge units                                   12. Hanger Units

Company Profile

ZheJiang Guanxian fenqi Bearing Co., Ltd. (registered trademark FQN), located in Guanxian Industrial Park, ZheJiang Province,
is a professional manufacturer of mounted ball bearing UCP, UCF, UCFL, UCFC, UCFB, UCPA, UCFA, UCFS, UCPH with cast
iron   housing, and  mount  bearing  unit  SUCP,  SUCF,   SUCFL,  SUCH with stainless steel housing,   as  well  as  the  insert bearing UC, UK, HC, SB, SA types, all the above mentioned we can supply metric and inch size standard, which are produced
in strict accordance with the international quality system standard with excellent equipment and perfect detection means.
High precision, high performance and high reliability are the tenets we always adhere to. Excellent product quality and zero quality
 defects are our goal.

Our Exhibition

ZheJiang Guanxian Fenqi Bearing Co., Ltd. often participates in the ZheJiang International Bearing Exhibition.



1.Can I get your some samples?Is it free or charged?
A: Yes,we can offer some pieces of samples, but the express cost is chanrged.
2.Could you accept OEM and customize?
A:Yes,we can customize for you according to sample or drawing.
3.How long is your delivery time?
A: Generally takes about 7-15 working days for production based on specifications for your order and quantity. In stock bearings can arrange shipment immediately once after payment received.

4.Is your company factory or Trade/Trading Company?/Are you trading company or manufacturer?

A: Our company integrates production, trade, investment and sales.
5.What about the delivery?
A: By express (DHL, UPS, FEDEX, TNT, EMS) to your door, By sea to your nearest port; By air to your nearest airport.
6.What’s the lead time?
A: 3-7 days for samples, 3-4 weeks for mass production.
7.Dose your factory have any certificate?
A: Yes.we have ISO 9001:2008,IQNET and SGS. If you want other like CE,we can do for you. 
8.Do you have stock for all item?
A: Yes, we have sufficient stock and can do fast delivery.



After-sales Service: Yes
Warranty: One Year
Type: Wheel Hub Bearing
Material: Chrome Steel
Tolerance: P4
Certification: ISO9001
US$ 0/Piece
1 Piece(Min.Order)

Request Sample



Customized Request


What is the purpose of the bushing?

If you notice the truck making noises when cornering, the bushings may be worn. You may need to replace the ball joint or stabilizer bar, but a simple inspection will reveal that the noise is coming from the bushing. The noise from a worn bushing on a metal joint can mimic the sound of other problems in the suspension, such as a loose stabilizer bar or a failed ball joint.


What is the purpose of the bushing? They play an important role in the operation of various mechanical parts. Their main functions include reducing the clearance between the shaft and the bearing and reducing the leakage of the valve. Bushings are used in different ways to ensure smooth operation and longevity. However, some new designers don’t appreciate the functionality of the case. So let’s discuss these features. Some of their most common applications are listed below.
First, the shell does a lot of things. They reduce noise, control vibration, and provide amazing protection for all kinds of industrial equipment. Large industrial equipment faces more wear, vibration and noise, which can render it completely inoperable. Bushings help prevent this by reducing noise and vibration. Bushing sets also extend equipment life and improve its performance. Therefore, you should not underestimate the importance of the casing in your device.
Another common function of bushings is to support components during assembly. In other words, the bushing reduces the risk of machine wear. In addition to this, they are superior to bearings, which are notoriously expensive to maintain. However, they are still useful, and their versatility cannot be overemphasized. If you’re considering installing one, you’ll be glad you did! These products have become a necessity in the modern industrial world. If you’re wondering how to choose one, here are some of the most common bushing uses.
Electrical bushings are an important part of many electrical equipment. They carry high voltage currents through the enclosure and provide an insulating barrier between live conductors and metal bodies at ground potential. They are made of a central conductive rod (usually copper or aluminum) and surrounding insulators made of composite resin silicone rubber. Additionally, the bushings are made of various materials. Whether copper, aluminum or plastic, they are an important part of many types of electrical equipment.


There are several different types of bushings on the market today. They may be cheap but they are of good quality. These products can be used in telephones, cable television, computer data lines and alarm systems. The key to buying these products online is finding the right appliance store and choosing a high-quality product. An online appliance store should have comprehensive information and ease of use. For the right electrical bushing, you should look for reliable online stores with the best prices and high quality products.
Capacitive grading bushings use conductive foils inserted into paper to stabilize the electric field and balance the internal energy of the bushing. The conductive foil acts as a capacitive element, connecting the high voltage conductor to ground. These types of bushings are sometimes referred to as capacitor grade bushings. Capacitive grading bushings are usually made of paper impregnated with epoxy resin or mineral oil.
When buying enclosures, you should know how they are used. Unlike ball bearings, bushings should be stored upright so that they are in the correct working position. This is because horizontal placement can cause air bubbles to form in the fill insulation. It is also important to store the bushing properly to prevent damage. The wrong way to store these components can result in costly repairs.
In addition to the physical structure, the bushing insulation must also be effective over the long term. It must resist partial discharge and working electric field stress. The material and design of the bushing can vary widely. Early on, porcelain-based materials were popular in bushing designs. Porcelain was chosen because of its low cost of production and very low linear expansion. Ceramic bushings, on the other hand, require a lot of metal fittings and flexible seals.


The RIG 3 Bushing Durability Test Standard simulates real-world service conditions for automotive bushings. This three-channel test standard varies casing loads and stresses by applying a range of different load conditions and various control factors. This test is critical to the durability of the case, as it accurately reproduces the dynamic loads that occur during normal use. This test is a key component of the automotive industry and is widely used in many industries.
The Advanced Casing Model has five modules to address asymmetry, nonlinearity, and hysteresis. This model also represents the CZPT lag model. The model can be parameterized in the time domain using MATLAB, and the results can be exported to other simulation software. The developed bushing model is a key component in the durability and performance of vehicle suspension components.
A conductive material is coated on the inner surface of the sleeve. The coating is chosen to conduct a certain amount of current. The conductive path extends from the blade spacer 126 to the sleeve projecting edge 204 and then through the housing 62 to the ground. The coating is made of a low friction material and acts as a wear surface against the bushing sidewall 212 and the housing 62 .
Another important factor in a bushing’s durability is its ability to friction. The higher the operating speed, the greater the load on the bushing. Since bushings are designed for lighter loads and slower speeds, they cannot handle large loads at high speeds. The P-max or V-max value of a bushing is its maximum load or speed at 0 rpm. The PV value must be lower than the manufacturer’s PV value.


If you need to replace the bushing on the control arm, you should understand the cost involved. This repair can be expensive, depending on the make and model of your car. Generally, you should pay between $105 and $180 for a replacement. However, you can choose to have it done by a mechanic at a lower cost. The labor cost for this job can be around $160, depending on your automaker.
The cost of replacing the control arm bushings can range from $200 on the low end to $500 on a luxury car. While parts are cheap, labor costs are the highest. Mechanics had to remove suspension and wheel assemblies to replace bushings. If you have some mechanical knowledge, you can replace the bushing yourself. Control arm bushings on the wheel side are usually about $20 each. Still, if you’re not a mechanic, you can save money by doing it yourself.


Press-fit bushings are installed using a retaining ring with a diameter 0.3/0.4 mm larger than the inner diameter of the bushing. To ensure accurate installation, use a mechanically driven, pneumatic or hydraulic drill and insert the bushing into the appropriate hole. This process is best done using mounting holes with drilled holes for the clamps. Make sure the mounting hole is in the center of the bushing and free of debris.
Once the bushing is positioned, use a vise to install its nut. A cold bushing will compress and fit the shell better. Place the sleeve in the refrigerator for at least 24 hours to aid installation. After removing the bushing from the refrigerator, make sure it has enough diameter to fit into the enclosure. Next, place the opposite socket into the enclosure and use it as a stand. After a few minutes, the bushing should be fully seated in the housing.
Install the new bushing into the housing hole. If the previous one had a metal case, insert the new one through the taper. Always lubricate the inner and outer surfaces of the bushing. Then, apply pressure to the inner metal sleeve of the new bushing. You may notice that the new bushing does not exactly match the housing hole. However, that’s okay because the outer diameter of the bushing is larger than the outer diameter of the hub drive.
The installation of the bushing requires the use of the hydraulic unit 16 . Hydraulic unit 16 is located near the #1 journal of the camshaft and extends from #2 to #7. Hydraulic fluid forces piston 22 away from the outer end of cylinder 20 and pushes shaft 14 forward. The shaft is then moved forward, pushing the bushing 17 onto the piston. Multiple bushings can be installed in a single engine.

China manufacturer High Flexible Engine Parts Dac30630042 Motorcycle Parts Auto Bearing   bearing driver kitChina manufacturer High Flexible Engine Parts Dac30630042 Motorcycle Parts Auto Bearing   bearing driver kit
editor by CX 2023-05-06