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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
 
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