Standards
Ningbo Tongren Bearing Co.,Ltd is an sino-Foreign Join Venture, which specializes in deep groove ball bearing with low noise and bearing inner and outer rings with high precision.
Bearing material
- Categories:Standards
- Time of issue:2019-11-22 00:00:00
- Views:0
High carbon chrome beating steel (Gcr15)is the standard material for bearing rings & rolling elements, following is its chemical composition. Also carbon steel & stainless steel will be used upon request.
CHEMICAL COMPOSITION OF BEARING STEEL
| steel No. | Symbol | Chemical composition(Wt%) | |||||
| Gcr15 | AISI 52100 | C | Cr | Si | Mn | P | S |
| 0.95-1.05 | 1.30-1.65 | 0.15-0.35 | 0.2-0.4 | ＜0.027 | ＜0.02 | ||
THE CONTRAST OF GCR15 OF EACH COUNTRY
|
China
|
ISO
|
USA
|
Japan
|
Germany
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France
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SWeden
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| GB | 683/xv11 | AISI | JIS | DIN | NF | / |
| Gcr15 | / | 52100 | SUJ2 | 100Cr6 | 100C6 | SKF3 |
CAGES：
In general,JYL cages are pressed steel ribbon cages & pressed steel snap cages. For extra-high speed application, synthetic-resin, stainless steel, nylons will be used upon request.
SEALS & SHIELDS：
SPCC are mainly used for JYL shields, also catbon steel & stainless steel can be used. Buna Nitrile is standard sealing material we use, while fluorocabon, silicone, and teflon seals are commonly specified for high temperatures.
LUBRICATION：
Different types of greases can be supplies for shielded & sealed bearing and oil for open bearings. Details pls refer to Page 9 for more reference.
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