Product Description

>>GRANVILLE
 

>>The company adopts precision mechanical manufacturing technology, with high-quality special steel, high-precision grinding and dust-free assembly technology, specializing in the development and production of automotive hub bearings, hub units, hub flange, bearing maintenance kits and other bearing products.

>>Products are widely used in passenger vehicles, commercial vehicles and industrial machinery, in the international and domestic OEM/ODM/AS market has a good reputation.

>>Strictly in accordance with the standardized process, by professional technical personnel to ensure the stability of product quality. IATF16949, ISO9001 Certificated factory.
 

>>GIL WHEEL BEARING

>>ADVANTAGES
 

01 Material advantage: All the material for Granville bearings (including inner/outer rings, rollers, balls, cages) are from the audited best suppliers in China.
 
02 Processing advantage: Guarantee the time spent and quality of every processing. Can do 3times tempering to stabilize the dimensions of the bearings.
 
03 QC Advantage All the bearing parts are 100% strictly inspected including crack detection, roughness, roundness, hardness and geometric dimensions.
 
04 Appearance Advantage Provide light chamfer, black chamfer, black oil groove and hollow-end rollers.
 

>>FACTORY

The company has all kinds of CNC machine tools, processing centers, grinding production lines, ultrasonic cleaning lines and other equipment more than 100 sets, strictly in accordance with the standardized process, by professional technical personnel to ensure the stability of product quality.

The Granville manufacture takes her every effort in purchasing the most advanced bearing process equipment, automatic facilities are widely used in the factory and we are keep investing to improve more.

The company has side length instrument, profilometer, roundness instrument, stereoscope, hardness tester and other professional testing instruments to ensure the zero-defect delivery of products.
 

Bearing No. dxDxBxC (mm) Interchangeable Bearing No. dxDxBxC (mm) Interchangeable
DAC25525716 25 52 20.6 20.6 617546A DAC38740450 38 74.04 50 50 559912
DAC25520037 25 52 37 37 445539A DAC39680037 39 68 37 37 311315DB
DAC27600050 27 60 50 50 513071 DAC39680637 39 68.06 37 37 311315BD
DAC3050571 30 50 20 20 DE0678CS12 DAC39720037 39 72 37 37 311396
DAC30540571 30 54 24 24 DE0681CS16 DAC39720637 39 72.06 37 37 542186CA
DAC3 0571 030/25 30 55 30 25 ATV-BB-2 DAC40720037 40 72 37 37 311443B
DAC30600337 30 60.03 37 37 633313C DAC4072571 40 72.07 37 37 51004
DAC30640042 30 64 42 42   DAC40740036/34 40 74 36 34 DAC4074BW
DAC34620037 34 62 37 37 3 0571 4B DAC40740540 40 74.05 40 40 DE08A27
DAC34640037 34 64 37 37 3 0571 6 DAC4571037 40 75 37 37 633966E
DAC34660037 34 66 37 37 636114A DAC4571033/28 40 76 33 28 474743
DAC35640037 35 64 37 37 510014 DAC4571441/38 40 76.04 41 38 DE571
DAC35650035 35 65 35 35 443952EA DAC408000302 40 80 30.2 30.2 440320H
DAC35660032 35 66 32 32 445980BA DAC40800036/34 40 80 36 34 513036
DAC35660033 35 66 33 33 633676 DAC40820040 40 82 40 40  
DAC35660037 35 66 37 37 311309 DAC40840338 40 84.571 38 38 IR-8638
DAC35680037 35 68 37 37 633295 DAC42750037 42 75 37 37 633457
DAC35685713/30 35 68.02 33 30 DAC3568W-6 DAC4275571 42 75.07 37 37 633791
DAC3572571 35 72 28 28 441832AB DAC42760038/35 42 76 38 35 IR-8650
DAC35720034 35 72 34 34 B36 DAC42760039 42 76 39 39 513058
DAC35725713/31 35 72.02 33 31   DAC42760040/37 42 76 40 37 909042
DAC3572571 35 72.04 33 33 633669 DAC42800036/34 42 80 36 34 MV4280
DAC3572571 35 72.04 34 34   DAC42800045 42 80 45 45 DAC428045BW
DAC3672571 36 72.05 34 34 B32 DAC42820036 42 82 36 36 446047
DAC3676571/27 36 76 29 27 DE 0571 DAC42820037 42 82 37 37 311413A
DAC37720037 37 72 37 37 633541B DAC42840036 42 84 36 36 444090
DAC3772571 37 72.04 37 37 633571 DAC42840039 42 84 39 39 440090
DAC37740045 37 74 45 45 35716AC DAC42845716 42 84.02 36 36 444090AB
DAC3872571/33 37.99 72.04 36 33 51007 DAC45800045 45 80 45 45 564725AB
DAC38745716/33 37.99 74.02 36 33 DAC3874W DAC45845719 45 84.02 39 39 513130
DAC38700038 38 70 38 38 510012 DAC45850041 45 85 41 41 580191
DAC38720440 38 72.04 40 40 DE571 DAC49880046 49 88 46 46  
DAC38740036/33 38 74 36 33 514002 DAC50900034 50 90 34 34 633007C

>>OUR BRANDS

 

>>ADVANTAGE MANUFACTURING PROCESS AND QUALITY CONTROL
 

 

01 Heat Treatment

02 Centerless Grinding Machine 11200 (most advanced)

03 Automatic Production Lines for Raceway

04 Automatic Production Lines for Raceway

05 Ultrasonic Cleaning of Rings

06 Automatic Assembly

07 Ultrasonic Cleaning of Bearings

08 Automatic Greasing, Seals Pressing

09 Measurement of Bearing Vibration (Acceleration)

10 Measurement of Bearing Vibration (Speed)

11 Laser Marking

12 Automatic Packing

 >>WHEEL HUB BEARING UNITS

 

>>MAINTENANCE


>>PACKAGE


>>PLEASE FEEL FREE TO CONTACT US

 

US $0.1-4.53
/ Set
|
200 Sets

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

After-sales Service: Personalized service
Warranty: 2 Years
Type: Wheel Hub Bearing

###

Samples:
US$ 0/Set
1 Set(Min.Order)

|

Order Sample

###

Customization:

###

01 Material advantage: All the material for Granville bearings (including inner/outer rings, rollers, balls, cages) are from the audited best suppliers in China.
 
02 Processing advantage: Guarantee the time spent and quality of every processing. Can do 3times tempering to stabilize the dimensions of the bearings.
 
03 QC Advantage All the bearing parts are 100% strictly inspected including crack detection, roughness, roundness, hardness and geometric dimensions.
 
04 Appearance Advantage Provide light chamfer, black chamfer, black oil groove and hollow-end rollers.
 

###

Bearing No. dxDxBxC (mm) Interchangeable Bearing No. dxDxBxC (mm) Interchangeable
DAC255200206 25 52 20.6 20.6 617546A DAC38740450 38 74.04 50 50 559912
DAC25520037 25 52 37 37 445539A DAC39680037 39 68 37 37 311315DB
DAC27600050 27 60 50 50 513071 DAC39680637 39 68.06 37 37 311315BD
DAC30500020 30 50 20 20 DE0678CS12 DAC39720037 39 72 37 37 311396
DAC30540024 30 54 24 24 DE0681CS16 DAC39720637 39 72.06 37 37 542186CA
DAC30550030/25 30 55 30 25 ATV-BB-2 DAC40720037 40 72 37 37 311443B
DAC30600337 30 60.03 37 37 633313C DAC40720737 40 72.07 37 37 51004
DAC30640042 30 64 42 42   DAC40740036/34 40 74 36 34 DAC4074BW
DAC34620037 34 62 37 37 309724B DAC40740540 40 74.05 40 40 DE08A27
DAC34640037 34 64 37 37 309726 DAC40750037 40 75 37 37 633966E
DAC34660037 34 66 37 37 636114A DAC40760033/28 40 76 33 28 474743
DAC35640037 35 64 37 37 510014 DAC40760441/38 40 76.04 41 38 DE0891
DAC35650035 35 65 35 35 443952EA DAC408000302 40 80 30.2 30.2 440320H
DAC35660032 35 66 32 32 445980BA DAC40800036/34 40 80 36 34 513036
DAC35660033 35 66 33 33 633676 DAC40820040 40 82 40 40  
DAC35660037 35 66 37 37 311309 DAC40840338 40 84.025 38 38 IR-8638
DAC35680037 35 68 37 37 633295 DAC42750037 42 75 37 37 633457
DAC35680233/30 35 68.02 33 30 DAC3568W-6 DAC42750737 42 75.07 37 37 633791
DAC35720028 35 72 28 28 441832AB DAC42760038/35 42 76 38 35 IR-8650
DAC35720034 35 72 34 34 B36 DAC42760039 42 76 39 39 513058
DAC35720233/31 35 72.02 33 31   DAC42760040/37 42 76 40 37 909042
DAC35720433 35 72.04 33 33 633669 DAC42800036/34 42 80 36 34 MV4280
DAC35720434 35 72.04 34 34   DAC42800045 42 80 45 45 DAC428045BW
DAC36720534 36 72.05 34 34 B32 DAC42820036 42 82 36 36 446047
DAC36760029/27 36 76 29 27 DE0769 DAC42820037 42 82 37 37 311413A
DAC37720037 37 72 37 37 633541B DAC42840036 42 84 36 36 444090
DAC37720437 37 72.04 37 37 633028 DAC42840039 42 84 39 39 440090
DAC37740045 37 74 45 45 309946AC DAC42840236 42 84.02 36 36 444090AB
DAC38720436/33 37.99 72.04 36 33 51007 DAC45800045 45 80 45 45 564725AB
DAC38740236/33 37.99 74.02 36 33 DAC3874W DAC45840239 45 84.02 39 39 513130
DAC38700038 38 70 38 38 510012 DAC45850041 45 85 41 41 580191
DAC38720440 38 72.04 40 40 DE0871 DAC49880046 49 88 46 46  
DAC38740036/33 38 74 36 33 514002 DAC50900034 50 90 34 34 633007C

###

01 Heat Treatment

02 Centerless Grinding Machine 11200 (most advanced)

03 Automatic Production Lines for Raceway

04 Automatic Production Lines for Raceway

05 Ultrasonic Cleaning of Rings

06 Automatic Assembly

07 Ultrasonic Cleaning of Bearings

08 Automatic Greasing, Seals Pressing

09 Measurement of Bearing Vibration (Acceleration)

10 Measurement of Bearing Vibration (Speed)

11 Laser Marking

12 Automatic Packing

US $0.1-4.53
/ Set
|
200 Sets

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

After-sales Service: Personalized service
Warranty: 2 Years
Type: Wheel Hub Bearing

###

Samples:
US$ 0/Set
1 Set(Min.Order)

|

Order Sample

###

Customization:

###

01 Material advantage: All the material for Granville bearings (including inner/outer rings, rollers, balls, cages) are from the audited best suppliers in China.
 
02 Processing advantage: Guarantee the time spent and quality of every processing. Can do 3times tempering to stabilize the dimensions of the bearings.
 
03 QC Advantage All the bearing parts are 100% strictly inspected including crack detection, roughness, roundness, hardness and geometric dimensions.
 
04 Appearance Advantage Provide light chamfer, black chamfer, black oil groove and hollow-end rollers.
 

###

Bearing No. dxDxBxC (mm) Interchangeable Bearing No. dxDxBxC (mm) Interchangeable
DAC255200206 25 52 20.6 20.6 617546A DAC38740450 38 74.04 50 50 559912
DAC25520037 25 52 37 37 445539A DAC39680037 39 68 37 37 311315DB
DAC27600050 27 60 50 50 513071 DAC39680637 39 68.06 37 37 311315BD
DAC30500020 30 50 20 20 DE0678CS12 DAC39720037 39 72 37 37 311396
DAC30540024 30 54 24 24 DE0681CS16 DAC39720637 39 72.06 37 37 542186CA
DAC30550030/25 30 55 30 25 ATV-BB-2 DAC40720037 40 72 37 37 311443B
DAC30600337 30 60.03 37 37 633313C DAC40720737 40 72.07 37 37 51004
DAC30640042 30 64 42 42   DAC40740036/34 40 74 36 34 DAC4074BW
DAC34620037 34 62 37 37 309724B DAC40740540 40 74.05 40 40 DE08A27
DAC34640037 34 64 37 37 309726 DAC40750037 40 75 37 37 633966E
DAC34660037 34 66 37 37 636114A DAC40760033/28 40 76 33 28 474743
DAC35640037 35 64 37 37 510014 DAC40760441/38 40 76.04 41 38 DE0891
DAC35650035 35 65 35 35 443952EA DAC408000302 40 80 30.2 30.2 440320H
DAC35660032 35 66 32 32 445980BA DAC40800036/34 40 80 36 34 513036
DAC35660033 35 66 33 33 633676 DAC40820040 40 82 40 40  
DAC35660037 35 66 37 37 311309 DAC40840338 40 84.025 38 38 IR-8638
DAC35680037 35 68 37 37 633295 DAC42750037 42 75 37 37 633457
DAC35680233/30 35 68.02 33 30 DAC3568W-6 DAC42750737 42 75.07 37 37 633791
DAC35720028 35 72 28 28 441832AB DAC42760038/35 42 76 38 35 IR-8650
DAC35720034 35 72 34 34 B36 DAC42760039 42 76 39 39 513058
DAC35720233/31 35 72.02 33 31   DAC42760040/37 42 76 40 37 909042
DAC35720433 35 72.04 33 33 633669 DAC42800036/34 42 80 36 34 MV4280
DAC35720434 35 72.04 34 34   DAC42800045 42 80 45 45 DAC428045BW
DAC36720534 36 72.05 34 34 B32 DAC42820036 42 82 36 36 446047
DAC36760029/27 36 76 29 27 DE0769 DAC42820037 42 82 37 37 311413A
DAC37720037 37 72 37 37 633541B DAC42840036 42 84 36 36 444090
DAC37720437 37 72.04 37 37 633028 DAC42840039 42 84 39 39 440090
DAC37740045 37 74 45 45 309946AC DAC42840236 42 84.02 36 36 444090AB
DAC38720436/33 37.99 72.04 36 33 51007 DAC45800045 45 80 45 45 564725AB
DAC38740236/33 37.99 74.02 36 33 DAC3874W DAC45840239 45 84.02 39 39 513130
DAC38700038 38 70 38 38 510012 DAC45850041 45 85 41 41 580191
DAC38720440 38 72.04 40 40 DE0871 DAC49880046 49 88 46 46  
DAC38740036/33 38 74 36 33 514002 DAC50900034 50 90 34 34 633007C

###

01 Heat Treatment

02 Centerless Grinding Machine 11200 (most advanced)

03 Automatic Production Lines for Raceway

04 Automatic Production Lines for Raceway

05 Ultrasonic Cleaning of Rings

06 Automatic Assembly

07 Ultrasonic Cleaning of Bearings

08 Automatic Greasing, Seals Pressing

09 Measurement of Bearing Vibration (Acceleration)

10 Measurement of Bearing Vibration (Speed)

11 Laser Marking

12 Automatic Packing

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

bearing
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 1688 Wheel hub bearing/Auto/Ball/Car/Automotive/meginetic encoder single/double row taper roller/bearing/auto spare parts     carrier bearingChina 1688 Wheel hub bearing/Auto/Ball/Car/Automotive/meginetic encoder single/double row taper roller/bearing/auto spare parts     carrier bearing
editor by czh 2022-12-01