| PART NAME |
MATERIAL |
Internal and external circle
|
AISI440C
9Cr18Mo |
AISI440B
9Cr18 |
AISI304
0Cr18Ni9 |
AISI316
0Cr17Ni12Mo2 |
Steel ball
|
AISI440C |
AISI440C |
AISI304 |
AISI316 |
Keeping device
|
AISI304 |
AISI304 |
Seal and enclose RS
Cover dustprooflyZZ |
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 |
¡Ü0.8 |
¡Ü0.8 |
¡Ü0.03 |
¡Ü0.035 |
|
|
| AISI440C |
0.95-1.10 |
16-18 |
¡Ü0.8 |
¡Ü0.8 |
¡Ü0.03 |
¡Ü0.035 |
0.4-0.7 |
|
| AISI304(304L) |
¡Ü0.07 |
17-19 |
¡Ü1 |
¡Ü2 |
¡Ü0.03 |
¡Ü0.035 |
|
8-11 |
| AISI316(316L) |
¡Ü0.08 |
16-18.5 |
¡Ü1 |
¡Ü2 |
¡Ü0.03 |
¡Ü0.035 |
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 |
| |
