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2025

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02

Bearing materials

Ring and rolling element materials
Material properties Common materials:
1.Higher contact fatigue strength High carbon chromium bearing steel Gcr15 Gcr15SiMn
2.Good wear resistance
3.Higher elastic limit Other materials
4.Suitable hardness
5.Certain toughness Carburized bearing steel
6.Good dimensional stability Corrosion-resistant bearing steel
7.Good rust resistance Heat-resistant bearing steel
8.Good processing performance
Cage materials
Non-ferrous metals:
Brass HPb59-1 Bronze QAL10-3-1.5 Aluminum alloy LY11CZ
Ferrous metals:
High-quality carbon steel sheet Non-metallic:
Engineering nylon phenolic tape

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Factors that Affect Ball Bearing Life

Bearing assembly

Grinding process

Heat treatment

Turning process

Bearing forging