Automobile Bearing Case Sharing

2019-05-20

Case No. 1

TBB optimized products can work under higher load rating with longer lifetime.

Product Features
Product Rate Loading Comparison

Case No. 2

Case No. 3

Bearing Durability Test Comparison — Needle Roller Bearing HK1010
Application: Automotive automatic gearbox
Test purpose and method: Bearings run a test continuously under constant radial load.

Testing Conditions
Bearing Conditions after Testing

The durability test component level test were run on both TBB and INA, the test results:
1, Total test time is about 2870hours and 3.42 times to the L10 lifetime requirement
2, No abnormal failure phenomenon was found
3, No cracks, spalling or pitting were found on the outer surfaces
4, No damage on the components.

Both TBB and INA bearings passed the durability test.

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