Double Row Angular Contact Ball Bearing Automotive Wheel Bearings DAC30540024 with high productivity DAC30540024

Classification :

Wheel bearings

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PRODUCT DESCRIPTION
Automotive Wheel Bearings
The automotive wheel bearings are double-row angular contact ball bearings incorporating an integral outer ring and two separable inner rings and double-row tapered roller bearings with back-to-back duplex outer rings,these bearings are available either with seals or without seals.WE can provide completed auto wheel bearing model types with 11 years experience.

Advantages:

* No need for pre-load adjustment at assembly.
* compactness and high performance of wheel axles
* no need for grease replenishment at assembly
* high productivity,large load rating
* Appropriate internal axial clearance,superion sealing
Main specifications
Bearing number
DAC30540024
Category
Automotive Wheel bearings Angular Contact Ball Bearing Double Row
Product Properties
Bore
Cylindrical Bore
Seal
Rubber Seal on Two Sides
Cage Type
S - Steel or Standard Cage
External Modification
No External Modification
Radial Internal Play
Cn Normal Internal Play
Precision
Standard Precision
Lubrication
Standard Lubrication
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Split Innering / Outerring
Split innerring
Weight and Dimensions
Inner diameter
30mm
Outside diameter
54mm
Width
24mm
Weight
0.23kg

Usually what we call wheel bearings refers to the first generation of wheel hub bearings,they are double-row angular contact ball bearings and double row tapered roller bearings with back-to-back duplex outer rings.
Compared with ordinary single row deep groove ball bearings and single row tapered roller bearings, the first generation wheel hub bearings have many advantages:

1.Easier and more reliable preload setting
2.Shorter distance between effective load centers
3.Easy mounting process
4.No spacer adjustment required
5.No grease packing required
6.No operations required to press seals into hub units


Wheel bearings have became one of those components that are now so reliable, We often think of the job of a wheel bearing to be that of just rotating until it wears out (About 50 million times over the course of 100,000km) but we should remember they have to deal with many forces of axial and radial loads such as acceleration, braking, cornering and gravity to name a few. Not to mention the environmental factors such as brake dust, heat and road grime.
Therefore, we must provide high-quality automotive wheel bearings, and replace and maintain these bearings in a timely manner.

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