| PART NAME |
MATERIAL |
内外圈
|
AISI440C
9Cr18Mo |
AISI440B
9Cr18 |
AISI304
0Cr18Ni9 |
AISI316
0Cr17Ni12Mo2 |
钢球
|
AISI440C |
AISI440C |
AISI304 |
AISI316 |
保持器
|
AISI304 |
AISI304 |
密封圈RS
防尘盖ZZ |
ZZ
AISI304 |
The chemical composition of different stainless steel numbers
|
| Stainless steel NO. |
C％ |
Cr％ |
Si％ |
Mn％ |
S％ |
P％ |
Mo％ |
Ni％ |
| AISI440B |
0.90-1.00 |
17-19 |
≤0.8 |
≤0.8 |
≤0.03 |
≤0.035 |
|
|
| AISI440C |
0.95-1.10 |
16-18 |
≤0.8 |
≤0.8 |
≤0.03 |
≤0.035 |
0.4-0.7 |
|
| AISI304(304L) |
≤0.07 |
17-19 |
≤1 |
≤2 |
≤0.03 |
≤0.035 |
|
8-11 |
| AISI316(316L) |
≤0.08 |
16-18.5 |
≤1 |
≤2 |
≤0.03 |
≤0.035 |
2-3 |
10-14 |
|
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 |
|
