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 Material | Tolerance | Radial Play |  
 Shields, Seals and Lubricant | Vibration and Noise | Package, Inspection and Test

Vibration and Noise

    The vibration and noise bearings are classified as three classes 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 data are shown as below. Customer need mark the requirement of vibration and noise class on the order.

轴承内径bore(mm) 单个轴承振动加速度（dB）不超过 单个轴承振动速度允许极限值（um/s)
直径系列(1)series 直径系列(2)series 直径系列(3)series V1 V2 V3
Z1 Z2 Z1 Z2 Z3 Z1 Z2 Z3 低
频		 中
频		 高
频		 低
频		 中
频		 高
频		 低频 中频 高
频
6 36 34 37 34 32 37 35 33 90 60 50 58 36 30 35 21 18
7 38 35 38 36 34 - - - 110 80 65 72 48 40 44 28 24
8 38 35 38 36 34 - - - 110 80 65 72 48 40 44 28 24
9 40 36 40 37 35 - - - 110 80 65 72 48 40 44 28 24
10 42 38 42 39 35 44 40 37 140 100 85 90 60 50 55 35 30
12 43 39 43 39 35 45 40 37 140 100 85 90 60 50 55 35 30
15 44 40 44 41 36 46 42 38 180 120 100 110 78 60 65 46 35
17 44 40 45 41 36 47 42 38 180 120 100 110 78 60 65 46 35
20 45 41 46 42 38 48 43 39 220 150 125 130 100 75 80 60 45
25 46 42 47 43 40 49 44 41 220 150 125 130 100 75 80 60 45
30 47 43 48 44 41 50 45 42 250 200 160 150 120 90 95 75 55
35 49 45 50 46 43 52 47 44 250 200 160 150 120 90 95 75 55
　
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