TABLE5 Single Bearing Vibration Speed Grade Allowed The Limit Value(μm/s)

mm V1 V2 V3
Bore diameter Low
Frequency
Medium
Frequency
High
Frequency
Low
Frequency
Medium
Frequency
High
Frequency
Low
Frequency
Medium
Frequency
High
Frequency
5 90 60  50 58 36 30 35 21 18
6 90 60  50 58 36 30 35 21 18
7 110 80  65 72 48 40 44 28 24
8 110 80  65 72 48 40 44 28 24
9 110 80  65 72 48 40 44 28 24
10 140 100  85 90 60 50 55 35 30
12 140 100  85 90 60 50 55 35 30
15 180 130  100 110 78 60 65 46 35
17 180 130  100 110 78 60 65 46 35
20 220 160  125 130 100 75 80 60 45
22 220 160  125 130 100 75 80 60 45
25 220 160  125 130 100 75 80 60 45
30 250 200  160 150 120 100 90 75 60
35 250 200  160 150 120 100 90 75 60
40 300 250  220 180 150 130 110 90 80
45 300 250  220 180 150 130 110 90 80
50 350 270  270 210 160 160 125 100 100
55 350 300  300 210 180 180 125 110 110
60 400 300  370 240 180 220 145 110 130
65 250 220  350 160 130 180 105 80 105
70 300 260  390 180 150 230 110 90 135
75 300 260  390 180 150 230 110 90 135
80 350 300  450 210 180 270 130 110 160
85 350 300  450 210 180 270 130 110 160
90 400 350  500 240 210 300 145 125 180
95 400 350  500 240 210 300 145 125 180
100 470 410  565 280 245 340 170 145 204