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材料和精度 |
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轴承钢化学成分参考表1.
轴承钢各个国家标识参考表2
不锈钢内外圈,球,保持架材料参考表3
不锈钢化学成分参考表4
根据国际标准,其准确性球轴承可分为五级:正常格兰德0.high格兰德6.accurate五年级. 以上精度等级4.and超过四年级2 . 等级宽容是按照标准gb/t307.1-94
轴承精度参考表5 |
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| 表1 |
Chemical Composition(%) |
No. |
C |
Mn |
Si |
Cr |
S |
P |
Ni |
Cu |
HB |
< |
Gcr15 |
0.95-1.05 |
0.20-0.4 |
0.15-0.35 |
1.30-1.65 |
0.020 |
0.027 |
0.3 |
0.25 |
170-207 |
|
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| 表 2 |
Country |
China |
ISO |
U.S.A |
Germany |
Japan
|
Sweden |
Bearing Steel No. |
GCr15 |
683/X VLL1 |
(AISI)52100 |
(Din)100Cr6 |
(Jis)SUJ2 |
SKF3 |
|
| |
| 表3 |
|
AISI440C 9Cr18 |
AISI440B 9Cr18Mo |
AISI304 1Cr18Ni9 |
AISI316 0Cr17Ni12Mo2 |
Ball material |
AIS144C |
AIS1420 |
AIS1316 |
AISI304 |
Cage material |
AIS304 |
0.20-0.4 |
0.15-0.35 |
1.30-1.65 |
|
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| 表4 |
|
C% |
Cr% |
Si% |
Mn% |
S% |
P% |
Mo% |
Ni% |
AISI440C |
0.90-1.05 |
17-19 |
≤0.8 |
≤0.7 |
≤0.03 |
≤0.035 |
|
|
AISI440B |
075-0.90 |
17-19 |
≤0.8 |
≤0.8 |
≤0.03 |
≤0.035 |
1-1.3 |
|
AISI304(304L) |
0.08(0.03) |
18-20 |
≤1 |
≤2 |
≤0.03 |
≤0.035 |
|
8-10.5(9-13) |
AISI316(316L) |
0.75-090 |
16-18 |
≤1 |
≤2 |
≤0.03 |
≤0.035 |
2-3 |
10-14 |
|
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| 表5 |
|
Standard |
Accuracy Grade |
International Standard Organization |
GB307.1 |
0 |
6 |
5 |
4 |
2 |
Sweden |
ISO |
0 |
6 |
5 |
4 |
2 |
Germany |
SKF |
P0 |
P6 |
P5 |
P4 |
P2
|
Japan |
DIN |
P0 |
P6 |
P5 |
P4 |
P2 |
U.S.A |
ANSI |
ABEC1 |
ABEC3 |
ABEC5 |
ABEC7 |
ABEC9 |
|
| |
| 振动和噪音 |
深沟球轴承加速度振动值(dB)见表1
深沟球轴承速度级,振动值(um/s)见表2 |
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| 表1 单个轴承振动速度级不能超过如下值 |
|
Diameter Series(0) |
Diameter Series(2) |
Diameter Series(3) |
Z |
Z1 |
Z2 |
Z3 |
Z |
Z1 |
Z2 |
Z3 |
Z4 |
Z |
Z1 |
Z2 |
Z3 |
Z4 |
|
35 |
34 |
32 |
28 |
36 |
35 |
32 |
30 |
- |
37 |
36 |
33 |
31 |
- |
|
35 |
34 |
32 |
28 |
36 |
35 |
32 |
30 |
- |
37 |
36 |
33 |
31 |
- |
5 |
37 |
36 |
34 |
30 |
38 |
37 |
34 |
32 |
- |
39 |
37 |
35 |
33 |
- |
6 |
37 |
36 |
34 |
30 |
38 |
37 |
34 |
32 |
- |
39 |
37 |
35 |
33 |
- |
7 |
39 |
38 |
35 |
31 |
40 |
38 |
36 |
34 |
- |
- |
- |
- |
- |
- |
8 |
39 |
38 |
35 |
31 |
40 |
38 |
36 |
34 |
- |
- |
- |
- |
- |
- |
9 |
41 |
40 |
36 |
32 |
42 |
40 |
37 |
35 |
- |
- |
- |
- |
- |
- |
10 |
43 |
42 |
38 |
33 |
44 |
42 |
39 |
35 |
30 |
46 |
44 |
40 |
37 |
32 |
12 |
44 |
43 |
39 |
34 |
45 |
43 |
39 |
35 |
30 |
47 |
45 |
40 |
37 |
32 |
15 |
45 |
44 |
40 |
35 |
46 |
44 |
41 |
36 |
31 |
48 |
46 |
42 |
38 |
33 |
17 |
46 |
44 |
40 |
35 |
47 |
45 |
41 |
36 |
31 |
49 |
47 |
42 |
38 |
33 |
20 |
47 |
45 |
41 |
36 |
48 |
46 |
42 |
38 |
33 |
50 |
48 |
43 |
39 |
34 |
25 |
48 |
46 |
42 |
38 |
49 |
47 |
43 |
40 |
36 |
51 |
49 |
44 |
41 |
37 |
30 |
49 |
47 |
43 |
39 |
50 |
48 |
44 |
41 |
37 |
52 |
50 |
45 |
42 |
38 |
35 |
51 |
49 |
45 |
41 |
52 |
50 |
46 |
43 |
39 |
54 |
52 |
47 |
44 |
40 |
40 |
53 |
51 |
46 |
42 |
54 |
52 |
47 |
44 |
40 |
56 |
54 |
49 |
45 |
41 |
45 |
55 |
53 |
48 |
45 |
56 |
54 |
49 |
46 |
43 |
58 |
56 |
51 |
47 |
44 |
50 |
57 |
54 |
50 |
47 |
58 |
55 |
51 |
48 |
45 |
60 |
57 |
53 |
49 |
46 |
|
| |
| 表2 单个轴承振动速度级允许极限值 |
|
V |
V1 |
V2 |
V3 |
Low Brand |
Medium Brand |
High Brand |
Low Brand |
Medium Brand |
Hight Brand |
Low Brand |
Medium Brand |
Hight Brand |
Low Brand |
Medium Brand |
Hight Brand |
|
110 |
72 |
60 |
90 |
60 |
50 |
58 |
36 |
30 |
35 |
21 |
18 |
|
110 |
72 |
60 |
90 |
60 |
50 |
58 |
36 |
30 |
35 |
21 |
18 |
7 |
130 |
96 |
80 |
110 |
80 |
65 |
72 |
48 |
40 |
44 |
28 |
24 |
8 |
130 |
96 |
80 |
110 |
80 |
65 |
72 |
48 |
40 |
44 |
28 |
24 |
9 |
130 |
96 |
80 |
110 |
80 |
65 |
72 |
48 |
40 |
44 |
28 |
24 |
10 |
160 |
120 |
100 |
140 |
100 |
85 |
90 |
60 |
50 |
55 |
35 |
30 |
12 |
160 |
120 |
100 |
140 |
100 |
85 |
90 |
60 |
50 |
55 |
35 |
30 |
15 |
210 |
150 |
120 |
180 |
130 |
100 |
110 |
78 |
60 |
65 |
46 |
35 |
17 |
210 |
150 |
120 |
180 |
130 |
100 |
110 |
78 |
60 |
65 |
46 |
35 |
20 |
260 |
190 |
150 |
220 |
160 |
125 |
130 |
100 |
75 |
80 |
60 |
45 |
22 |
260 |
190 |
150 |
220 |
160 |
125 |
130 |
100 |
75 |
80 |
60 |
45 |
25 |
260 |
190 |
150 |
220 |
160 |
125 |
130 |
100 |
75 |
80 |
60 |
45 |
28 |
260 |
190 |
150 |
220 |
160 |
125 |
130 |
100 |
75 |
80 |
60 |
45 |
30 |
300 |
240 |
190 |
250 |
200 |
160 |
150 |
120 |
100 |
90 |
75 |
60 |
32 |
300 |
240 |
190 |
250 |
200 |
160 |
150 |
120 |
100 |
90 |
75 |
60 |
35 |
300 |
240 |
190 |
250 |
250 |
160 |
150 |
120 |
100 |
90 |
75 |
60 |
40 |
360 |
300 |
260 |
300 |
250 |
220 |
180 |
150 |
130 |
110 |
90 |
80 |
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