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Deep Groove Ball Bearing
Single row deep groove ball bearing > Sealed single row d 8-9mm
  • Product
  • Structure
  • Structure
SUFUL轴承
SUFUL轴承
SUFUL轴承
Dimension and Parameters
  • Pu
    0.083
  • Weight kg
    0.03
  •  
  • Principal dimensions （mm)
  • d
    8
  • D
    28
  • B
    9
  • Basic load ratings KN
  • dyc Cr
    4.62
  • stc Cor
    1.96
  • Speed ratings rpm
  • Speed Ratings
    60000
  • Limiting Speed 1)
    30000
  • Designation
  • With Seals on Both Sides
    638-2RZ
  • With Seals on One Side
    638-RZ
  • Dimensions mm
  • d
    8
  • d1 ～
    14.8
  • d2 ～
    -
  • D2 ～
    22.6
  • r 1,2 Min
    0.3
  • Abutment and fillet dimensions mm
  • d a Min
    10.4
  • d a Max
    -
  • Da Max
    25.6
  • r a Max
    0.3
  • Value
  • k r
    0.025
  • fo
    12

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