Daily material
| PART NAME | MATERIAL | |||
Internal and external circl | AISI440C 9Cr18Mo | AISI440B 9Cr18 | AISI304 0Cr18Ni9 | AISI316 0Cr17Ni12Mo2 |
Steel bal | AISI440C | AISI440C | AISI304 | AISI316 |
Keeping device | AISI304 | AISI304 | Seal and enclose RSCover dustproofly ZZ | ZZ AISI304 |
| The chemical composition of different stainless steel numbers | |||||||||||||||||||||||||||||||||||||||||||||
|
The contrast of bearing steel number of each country
| Country | China | U.S.A | Germany | Japan | France | |
| DIN | W-Nr | |||||
| Bearing Steel NO. | 9Cr18 | AISI440B | X90CrMoV18 | 1.4112 | SUS440 | Z105CrMo17 |
| 9Cr18Mo | AISI440C | X105CrMo17 | 1.4125 | SUS440C | Z105CrMo17 | |
| 0Cr18Ni9 | AISI304 | X5CrNi18-10 | 1.4301 | SUS304 | Z7CN18-09 | |
| 0Cr17Ni12Mo2 | AISI316 | X5CrNiMo17-12-2 | 1.4401 | SUS316 | Z7CND18-12-03 | |