ZHEJIANG TOP BEARINGS CO., LTD.
YOUR TOP PARTERNER FOR PLAIN BEARINGS and ROLLING BEARINGS.
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Steel Roller Bearings Steel Backed With GCr15 , Crossed Oil groove Round And Elliptical Oil Socket
Steel Bearings
This product is backed with GCr15, and its inner surface has many crossed oil groove, round and elliptical oil socket. After quenched and tempered, the surface toughness and wear-resistant had been improved. Steel Bearings is used in engineering machinery, etc.
Non-standard products can be provided by customers’ requirements.
The steel material of 45# and 35CrMo can be provided by customers’ requirements.
Chemical Compositions
| Product NO. | Chemical Compositions | |||||
| TOB 061 | C | Si | Mn | p | S | Cr |
| 0.95~1.05 | 0.15~0.35 | 0.25~0.45 | <0.025 | <0.025 | 1.4~1.65 | |
Physical and Mechanical Performance
| Performance Index | Data | Performance Index | Data | ||
| Hardness | HRC | 55 | Max. PV Value | N/mm².m/s | 1.5 |
| Max. Load | N/mm² | 250 | Working Temperature Limit | ℃ | -100~+350 |
| Max. Linear Velocity | m/s | 0.1 | Linear Expansion Coefficient | 10^-5/℃ | 1.1 |
