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
|
France
|
SWeden
|
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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