ZHEJIANG TOP BEARINGS CO., LTD.
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High Frequency Quench 45# Steel Roller Bearings Oil Seeping Sockets And Oil Path On Inside Surface
Steel Bearings
45# Steel Bearings is backed with 45# Steel with oil-seeping sockets and oil path appropriately on its inside surface. After high-frequency quench, the inner surface comes being to a stiffness layer, 45# Steel Bearings' thickness is about 1~2mm, and roughness is HRC 52~60. 45# Steel Bearings are used in engineering machinery.
Chemical Compositions
| Product NO. | Chemical Compositions | |||||||
| TOB 066 | C | Si | Mn | p | S | Ni | Cr | Cu |
| 0.42~0.50 | 0.17~0.37 | 0.5~0.8 | 0.035 | 0.035 | 0.30 | 0.25 | 0.25 | |
Physical and Mechanical Performance
| Performance Index | Data | Performance Index | Data | ||
| Hardness | HRC | 52~60 | Max. PV Value | N/mm².m/s | 1.2 |
| Max. Load | N/mm² | 150 | Working Temperature Limit | ℃ | -100~+300 |
| Max. Linear Velocity | m/s | 0.17 | Linear Expansion Coefficient | 10^-5/℃ | 1.1 |
