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Deep Groove Ball Bearing
SUFUL轴承
SUFUL轴承
Dimension and Parameters
  • Pu
    0.0075
  • Weight kg
    0.001
  • Designation
    W638/4-2Z
  •  
  • Principal dimensions (mm)
  • d
    4
  • D
    9
  • B
    4
  • Basic load ratings KN
  • dyc Cr
    0.449
  • stc Cor
    0.173
  • Speed ratings rpm
  • Speed Ratings
    140000
  • Limiting Speed
    70000
  • Dimensions mm
  • d
    4
  • d1 ~
    5.2
  • D1 ~
    8.1
  • r 1,2 Min
    0.1
  • Abutment and fillet dimensions mm
  • d a Min
    4.6
  • Da Max
    8.4
  • r a Max
    0.1
  • Value
  • k r
    0.015
  • fo
    10
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