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Ningbo Tongren Bearing Co.,Ltd is an sino-Foreign Join Venture, which specializes in deep groove ball bearing with low noise and bearing inner and outer rings with high precision. 

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Vibration And Noise

Vibration And Noise

  • Categories:Standards
  • Time of issue:2019-11-22 00:00:00
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The vibration and noise of bearings are classified in four classes as Z1,Z2,Z3 and Z4.It is measured by the instrument of SO910-1.For special requirement, it is measured by BVT-1 and classified as V1,V2 and V3. The data are shown in below tables. different vibration & noise requirement should be mentioned in order.

TOLERANCE DATA FOR VIBRATION OF SINGLE BEARING Tolerance in Um/s

d mm V V1 V2 V3
low mid high low mid high low mid high low mid high
5
6
7
8
9
10
12
15
17
20
22
25
28
30
32
35
40
110
110
130
130
130
160
160
210
210
260
260
260
260
300
300
300
300
72
72
96
96
96
120
120
150
150
190
190
190
190
240
240
240
300
60
60
80
80
80
100
100
120
120
150
150
150
150
190
190
190
260
90
90
110
110
110
140
140
180
180
220
220
220
220
250
250
250
300
60
60
80
80
80
100
100
130
130
160
160
160
160
200
200
200
250
50
50
65
65
65
85
85
100
100
125
125
125
125
160
160
160
220
58
58
72
72
72
90
90
110
110
130
130
130
130
150
150
150
180
36
36
48
48
48
60
60
78
78
100
100
100
100
120
120
120
150
30
30
40
40
40
50
50
60
60
75
75
75
75
100
100
100
130
35
35
44
44
44
55
55
65
65
80
80
80
80
90
90
90
110
21
21
28
28
28
35
35
46
46
60
60
60
60
75
75
75
90
 18
18
24
24
24
30
30
35
35
45
45
45
45
60
60
60
80



MAXIMUM VIBRATION ACCELERATION OF SINGLE BEARING Tolerance in dB

d mm Diameter series(1) Diameter series(2) Diameter series(3)
Z Z1 Z2 Z3 Z Z1 Z2 Z3 Z4 Z Z1 Z2 Z3 Z4
3
4
5
6
7
8
9
10
12
15
17
20
25
30
35
40
35
35
37
37
39
39
41
43
44
45
46
47
48
49
51
53
34
34
36
36
38
38
40
42
43
44
44
45
46
47
49
51
32
32
34
34
35
35
36
38
39
40
40
41
42
43
45
46
28
28
30
30
31
31
32
33
34
35
35
36
38
39
41
42
36
36
38
38
40
40
42
44
45
46
47
48
49
50
52
54
35
35
37
37
38
38
40
42
43
44
45
46
47
48
50
52
32
32
34
34
36
36
37
39
39
41
41
42
43
44
46
47
30
30
32
32
34
34
35
35
35
36
36
38
40
41
43
44
-
-
-
-
-
-
-
30
30
31
31
33
36
37
39
40
37
37
39
39
-
-
-
46
47
48
49
50
51
52
54
56
36
36
37
37
-
-
-
44
45
46
47
48
49
50
52
54
33
33
35
35
-
-
-
40
40
42
42
43
44
45
47
49
31
31
33
33
-
-
-
37
37
38
38
39
41
42
44
45
-
-
-
-
-
-
-
32
32
33
33
34
37
38
40
41


   

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