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  • 0755-88844305
  • Vibration and Noise

    The vibration and noise of bearings are classified as four classed as Z1,Z2,Z3 and Z4.It is measured by the instrument of S0910-1,For special requirement,it is measured by BVT-1 and classified as V1, V2, V3 and V4.The data are shown as below. Customer need mark their requirement of vibration and noise class on the order.

    Tolerance data for vibration of single bearing Tolerance in um/s
    d

    mm
    V
    V1
    V2
    V3
    V4
    Low
    Brand
    Medium
    Brand
    High
    Brand
    Low
    Brand
    Medium
    Brand
    High
    Brand
    Low
    Brand
    Medium
    Brand
    High
    Brand
    Low
    Brand
    Medium
    Brand
    High
    Brand
    Low
    Brand
    Medium
    Brand
    High
    Brand
    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
    Maximum vibration acceleration of single bearing Tolerance in dB
    
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    d
    mm
    Diameter Series(0)
    Diameter Series(2)
    Diameter Series(3)
    Z
    Z1
    Z2
    Z3
    Z
    Z1
    Z2
    Z3
    Z4
    Z
    Z1
    Z2
    Z3
    Z4
    3
    35
    34
    32
    28
    36
    35
    32
    30
    _
    37
    36
    33
    31
    _
    4
    35
    34
    32
    28
    36
    35
    32
    30
    _
    37
    36
    33
    31
    _
    5
    37
    36
    34
    30
    38
    37
    34
    32
    _
    39
    37
    35
    33
    _
    6
    37
    36
    34
    30
    38
    37
    34
    32
    _
    39
    37
    35
    33
    _
    7
    39
    38
    35
    31
    40
    38
    36
    34
    _
    _
    _
    _
    _
    _
    8
    39
    38
    35
    31
    40
    38
    36
    34
    _
    _
    _
    _
    _
    _
    9
    41
    40
    36
    32
    42
    40
    37
    35
    _
    _
    _
    _
    _
    _
    10
    43
    42
    38
    33
    44
    42
    39
    35
    30
    37
    44
    40
    37
    32
    12
    44
    43
    39
    34
    45
    43
    39
    35
    30
    47
    45
    40
    37
    32
    15
    45
    44
    40
    35
    46
    44
    41
    36
    31
    48
    46
    42
    38
    33
    17
    46
    44
    40
    35
    47
    45
    41
    36
    31
    49
    47
    42
    38
    33
    20
    47
    45
    41
    36
    48
    46
    42
    38
    33
    50
    48
    43
    39
    34
    22
    47
    45
    41
    36
    48
    46
    42
    38
    33
    50
    48
    43
    39
    34
    25
    48
    46
    42
    38
    49
    47
    43
    40
    36
    51
    49
    44
    41
    37
    28
    49
    47
    43
    39
    50
    48
    44
    41
    37
    52
    50
    45
    42
    38
    30
    49
    47
    43
    39
    50
    48
    44
    41
    37
    52
    50
    45
    42
    38
    32
    50
    48
    44
    40
    51
    49
    45
    42
    38
    53
    51
    46
    43
    39
    35
    51
    49
    45
    41
    52
    50
    46