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Vibration and noise

　The vibration and noise of bearings are classifited as Z1,Z2 and Z3. 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 date are shown as below, customer need mark the requirement of vibration and noise class on the order.

The vibration value of bearings

DIA mm	V₁			V₂			V₃
DIA mm	L	M	H	L	M	H	L	M	H
5 6 7 8 9 10 12 15 17 20 22 25 28 30 32 35 40	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

The Max. value of vibration acceleration of single bearing

DIA mm	6000 SERIES			6200 SERIES			6300 SERIES
DIA mm	Z1	Z2	Z3	Z₁	Z₂	Z₃	Z₁	Z₂	Z₃
3 4 5 6 7 8 9 10 12 15 17 20 25 30 35 40	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	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	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

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