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Deep Groove Ball Bearing
Single row deep groove ball bearing > Sealed single row d 3-7mm
SUFUL軸承
SUFUL軸承
SUFUL軸承
Dimension and Parameters
  • Pu
    0.007
  • Weight kg
    0.0013
  •  
  • Principal dimensions (mm)
  • d
    4
  • D
    9
  • B
    4
  • Basic load ratings KN
  • dyc Cr
    0.54
  • stc Cor
    0.18
  • Speed ratings rpm
  • Speed Ratings
    140000
  • Limiting Speed 1)
    70000
  • Designation
  • With Seals on Both Sides
    638/4-2Z
  • With Seals on One Side
    -
  • Dimensions mm
  • d
    4
  • d1 ~
    5.2
  • d2 ~
    -
  • D2 ~
    7.8
  • r 1,2 Min
    0.1
  • Abutment and fillet dimensions mm
  • d a Min
    4.6
  • d a Max
    -
  • Da Max
    8.4
  • r a Max
    0.1
  • Value
  • k r
    0.015
  • fo
    10
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