| 轴承材料 |
高碳铬轴承钢是滚珠轴承的最佳材料，它是具有硬度高，抗滚动疲劳性强，耐磨损以及寸尺稳定性好等特征。
The best material for rolling bearing is high carbon chromium bearing steel,which features desired
hardness,strong rolling fatigue resitance,wearing resistance and stable dimension |
| Element(wt％) |
C
0.95-1.05 |
Cr
1.40-1.65 |
Si
0.15-0.35 |
Mn
0.25-0.45 |
P
≤0.027 |
S
≤0.02 |
| Element(wt％) |
Ni
＜0.23 |
Cu
≤0.25 |
Mo
≤0.1 |
Sn
≤0.03 |
As
＜0.04 |
Ti
＜0.005 |
| Element(wt％) |
Sb
＜0.002 |
Pb
＜0.002 |
O
＜0.001 |
Al
＜0.05 |
Ca
＜0.01 |
- |
|
GCr15钢化不同标准代号对照
Corresponding desiganation equivalent Gcr15 |
| CHINA |
ISO |
USA |
GERMANY |
JAPAN |
SWEDEN |
| Gcr15 |
683/xvⅡ |
52100(ASTM) |
100Cr6(DIN) |
SUJ2(JIS) |
SKF3 |
|
轴承精度等级
Beaning precision grade |
| Srandards |
Precision Grade |
| GB |
G |
E |
D |
C |
B |
| ISO |
Normal Class |
Class 6 |
Class 5 |
Class 4 |
Class 2 |
| ANSI |
ABEC-1 |
ABEC-3 |
ABEC-5 |
ABEC-7 |
ABEC-9 |
| DIN |
P0 |
P6 |
P5 |
P4 |
P2 |
| JIS |
0 |
6 |
5 |
4 |
2 |
|
轴承游隙
Bearing Clearance |
Bore
d mm |
Radial Clearance μm |
| C2 |
C0 |
C3 |
C4 |
C5 |
| over |
to |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
| 2.5 |
6 |
0 |
7 |
2 |
13 |
8 |
23 |
14 |
29 |
20 |
37 |
| 6 |
10 |
0 |
7 |
2 |
13 |
8 |
23 |
14 |
29 |
20 |
37 |
| 10 |
18 |
0 |
9 |
3 |
18 |
11 |
25 |
18 |
33 |
25 |
45 |
| 18 |
24 |
1 |
10 |
5 |
20 |
13 |
28 |
20 |
36 |
28 |
48 |
| 24 |
30 |
1 |
11 |
5 |
20 |
13 |
28 |
23 |
41 |
30 |
53 |
| 30 |
40 |
1 |
11 |
6 |
20 |
15 |
33 |
28 |
46 |
40 |
64 |
| 40 |
50 |
1 |
11 |
6 |
23 |
18 |
36 |
30 |
51 |
45 |
73 |
| 50 |
65 |
1 |
15 |
8 |
28 |
23 |
43 |
38 |
61 |
55 |
90 |
| 65 |
80 |
1 |
15 |
10 |
30 |
25 |
51 |
46 |
71 |
65 |
105 |
| 80 |
100 |
1 |
18 |
12 |
36 |
30 |
58 |
53 |
84 |
75 |
120 |
|
