Add: Houcang Village, Shiqi Street, Haishu, Ningbo, China
Tel: 0086-137-3845-7991
WeChat / Whatsapp: 0086-13738457991
E-mail: info@mashiindustries.com
The vibration and noise of bearings are classified as four classes measured by BVT-1 and classified as V1, V2 ,V3 and V4.
Data for vibration of single deep groove ball bearing
Tolerance in μm/s.
d | V | V1 | V2 | V3 | V4 | ||||||||||
mm |
Low Band |
Medium Band |
High Band |
Low Band |
Medium Band |
High Band |
Low Band |
Medium Band |
High Band |
Low Band |
Medium Band |
High Band |
Low Band |
Medium Band |
High Band |
3,4 | 80 | 44 | 44 | 60 | 35 | 32 | 48 | 26 | 22 | 31 | 16 | 15 | 28 | 10 | 10 |
5,6 | 110 | 72 | 60 | 74 | 48 | 40 | 58 | 36 | 30 | 35 | 21 | 18 | 32 | 11 | 11 |
7,8,9 | 130 | 96 | 80 | 92 | 66 | 54 | 72 | 48 | 40 | 44 | 28 | 24 | 38 | 12 | 12 |
10,12 | 160 | 120 | 100 | 120 | 80 | 70 | 90 | 60 | 50 | 55 | 35 | 30 | 45 | 14 | 15 |
15 | 210 | 150 | 120 | 150 | 100 | 85 | 110 | 78 | 60 | 65 | 46 | 35 | 52 | 18 | 18 |
17 | 210 | 150 | 120 | 150 | 100 | 85 | 110 | 78 | 60 | 65 | 46 | 35 | 52 | 25 | 25 |
20 | 260 | 190 | 150 | 180 | 125 | 100 | 130 | 100 | 75 | 80 | 60 | 45 | 60 | 25 | 25 |
22,25 | 260 | 190 | 150 | 180 | 125 | 100 | 130 | 100 | 75 | 80 | 60 | 45 | 60 | 30 | 32 |
28 | 260 | 190 | 150 | 180 | 125 | 100 | 130 | 100 | 75 | 80 | 60 | 45 | 60 | 35 | 40 |
30,32 | 300 | 240 | 190 | 200 | 150 | 130 | 150 | 120 | 100 | 90 | 75 | 60 | 70 | 35 | 40 |
35 | 300 | 240 | 190 | 200 | 150 | 130 | 150 | 120 | 100 | 90 | 75 | 60 | 70 | 42 | 45 |
40 | 360 | 300 | 260 | 240 | 180 | 160 | 180 | 150 | 130 | 110 | 90 | 80 | 82 | 50 | 50 |
45 | 360 | 300 | 260 | 240 | 180 | 160 | 180 | 150 | 130 | 110 | 90 | 80 | 82 | 60 | 60 |
50 | 420 | 320 | 320 | 280 | 200 | 200 | 210 | 160 | 160 | 125 | 100 | 100 | 95 | 70 | 70 |
55 | 420 | 360 | 360 | 280 | 220 | 200 | 210 | 180 | 180 | 120 | 110 | 110 | 95 | 70 | 70 |
60 | 480 | 360 | 440 | 320 | 220 | 240 | 240 | 180 | 200 | 145 | 110 | 130 | 100 | 80 | 80 |
Tolerance in μm/s.
d | V | V1 | V2 | V3 | V4 | ||||||||||
mm |
Low Band |
Medium Band |
High Band |
Low Band |
Medium Band |
High Band |
Low Band |
Medium Band |
High Band |
Low Band |
Medium Band |
High Band |
Low Band |
Medium Band |
High Band |
65 | 300 | 260 | 420 | 180 | 160 | 240 | 130 | 100 | 150 | 105 | 80 | 105 | 50 | 50 | 75 |
70 | 360 | 310 | 460 | 200 | 180 | 280 | 150 | 120 | 200 | 110 | 90 | 135 | 58 | 58 | 88 |
75 | 360 | 310 | 460 | 200 | 180 | 280 | 150 | 120 | 200 | 110 | 90 | 135 | 58 | 58 | 88 |
80 | 420 | 360 | 540 | 240 | 210 | 320 | 180 | 120 | 240 | 130 | 110 | 160 | 65 | 65 | 100 |
85 | 420 | 360 | 540 | 240 | 210 | 320 | 180 | 120 | 240 | 130 | 110 | 160 | 65 | 65 | 100 |
90 | 480 | 420 | 600 | 290 | 250 | 370 | 210 | 180 | 270 | 145 | 125 | 180 | 75 | 75 | 115 |
95 | 480 | 420 | 600 | 290 | 250 | 370 | 210 | 180 | 270 | 145 | 125 | 180 | 75 | 75 | 115 |
100 | 560 | 490 | 670 | 340 | 300 | 420 | 250 | 215 | 310 | 170 | 145 | 200 | 88 | 88 | 135 |
105 | 560 | 490 | 670 | 340 | 300 | 420 | 250 | 215 | 310 | 170 | 145 | 200 | 88 | 88 | 135 |
110 | 640 | 570 | 750 | 400 | 350 | 480 | 290 | 260 | 350 | 190 | 175 | 225 | 100 | 100 | 160 |
115 | 640 | 570 | 750 | 400 | 350 | 480 | 290 | 260 | 350 | 190 | 175 | 225 | 100 | 100 | 160 |
dB noise testing
The noise of bearings by dB is classified as four classes as Z1, Z2, Z3 and Z4. It is measured by the instrument of S0910-1.
Maximum vibration acceleration of single bearing
Tolerance in dB
d | Diameter Series (0) | Diameter Series (2) | Diameter Series (3) | ||||||||||||
mm | Z | Z1 | Z2 | Z3 | Z4 | Z | Z1 | Z2 | Z3 | Z4 | Z | Z1 | Z2 | Z3 | Z4 |
3 | 35 | 34 | 32 | 28 | 24 | 36 | 35 | 32 | 30 | 26 | 37 | 36 | 33 | 31 | 27 |
4 | 35 | 34 | 32 | 28 | 24 | 36 | 35 | 32 | 30 | 26 | 37 | 36 | 33 | 31 | 27 |
5 | 37 | 36 | 34 | 30 | 26 | 38 | 37 | 34 | 32 | 28 | 39 | 37 | 35 | 33 | 29 |
6 | 37 | 36 | 34 | 30 | 26 | 38 | 37 | 34 | 32 | 28 | 39 | 37 | 35 | 33 | 29 |
7 | 39 | 38 | 35 | 31 | 27 | 40 | 38 | 36 | 34 | 29 | 41 | 39 | 37 | 35 | 30 |
8 | 39 | 38 | 35 | 31 | 27 | 40 | 38 | 36 | 34 | 29 | 41 | 39 | 37 | 35 | 30 |
9 | 41 | 40 | 36 | 32 | 28 | 42 | 40 | 37 | 35 | 30 | 43 | 41 | 39 | 37 | 32 |
10 | 43 | 42 | 38 | 33 | 28 | 44 | 42 | 39 | 35 | 30 | 46 | 44 | 40 | 37 | 32 |
12 | 44 | 43 | 39 | 34 | 29 | 45 | 43 | 39 | 35 | 30 | 47 | 45 | 40 | 37 | 32 |
15 | 45 | 44 | 40 | 35 | 30 | 46 | 44 | 41 | 36 | 31 | 48 | 46 | 42 | 38 | 33 |
17 | 46 | 44 | 40 | 35 | 30 | 47 | 45 | 41 | 36 | 31 | 49 | 47 | 42 | 38 | 33 |
20 | 47 | 45 | 41 | 36 | 31 | 48 | 46 | 42 | 38 | 33 | 50 | 48 | 43 | 39 | 34 |
22 | 47 | 45 | 41 | 36 | 31 | 48 | 46 | 42 | 38 | 33 | 50 | 48 | 43 | 39 | 34 |
25 | 48 | 46 | 42 | 38 | 34 | 49 | 47 | 43 | 40 | 36 | 51 | 49 | 44 | 41 | 37 |
28 | 49 | 47 | 43 | 39 | 35 | 50 | 48 | 44 | 41 | 37 | 52 | 50 | 45 | 42 | 38 |
30 | 49 | 47 | 43 | 39 | 35 | 50 | 48 | 44 | 41 | 37 | 52 | 50 | 45 | 42 | 38 |
32 | 50 | 48 | 44 | 40 | 36 | 51 | 49 | 45 | 42 | 38 | 53 | 51 | 46 | 43 | 39 |
35 | 51 | 49 | 45 | 41 | 37 | 52 | 50 | 46 | 43 | 39 | 54 | 52 | 47 | 44 | 40 |
40 | 53 | 51 | 46 | 42 | 38 | 54 | 52 | 47 | 44 | 40 | 56 | 54 | 49 | 45 | 41 |
45 | 55 | 53 | 48 | 45 | 42 | 56 | 54 | 49 | 46 | 43 | 58 | 56 | 51 | 47 | 44 |
50 | 57 | 54 | 50 | 47 | 44 | 58 | 55 | 51 | 48 | 45 | 60 | 57 | 53 | 49 | 46 |
55 | 59 | 56 | 52 | 49 | 46 | 60 | 57 | 53 | 50 | 47 | 62 | 59 | 54 | 51 | 48 |
60 | 61 | 58 | 54 | 51 | 48 | 62 | 59 | 54 | 51 | 48 | 64 | 61 | 56 | 53 | 50 |
Maximum vibration acceleration of single bearing
Tolerance in μm/s.
d | Diameter Series (0) | Diameter Series (2) | Diameter Series (3) | |||||||||
mm | Z | Z1 | Z2 | Z3 | Z | Z1 | Z2 | Z3 | Z | Z1 | Z2 | Z3 |
65 | 49 | 48 | 46 | 41 | 50 | 49 | 47 | 42 | 51 | 50 | 48 | 43 |
70 | 50 | 49 | 47 | 42 | 51 | 50 | 48 | 43 | 52 | 51 | 49 | 44 |
75 | 51 | 50 | 48 | 43 | 52 | 51 | 49 | 44 | 53 | 52 | 50 | 45 |
80 | 52 | 51 | 49 | 44 | 53 | 52 | 50 | 45 | 54 | 53 | 51 | 46 |
85 | 53 | 52 | 50 | 45 | 54 | 53 | 51 | 46 | 56 | 55 | 52 | 47 |
90 | 54 | 53 | 52 | 47 | 56 | 55 | 53 | 48 | 58 | 57 | 54 | 49 |
95 | 56 | 55 | 54 | 49 | 58 | 57 | 55 | 50 | 60 | 59 | 56 | 51 |
100 | 58 | 57 | 56 | 51 | 60 | 59 | 57 | 52 | 62 | 51 | 58 | 53 |
105 | 60 | 59 | 58 | 53 | 62 | 61 | 59 | 54 | 64 | 63 | 60 | 55 |
110 | 62 | 61 | 60 | 55 | 64 | 63 | 61 | 56 | 66 | 65 | 62 | 57 |
120 | 64 | 63 | 62 | 57 | 66 | 65 | 63 | 58 | 68 | 67 | 64 | 59 |