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QJ 308 N2MA

Catalogue
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  • Object
  • 2D drawing
Four Point contact ball bearing
  • Four Point contact ball bearing
  • Four Point contact ball bearing

Four Point contact ball bearing

Dimension and Parameters
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Four Point contact ball bearing Four Point contact ball bearing
QJ 308 N2MA
  • Bearings
    QJ 308 N2MA
  • Basic Dimensions（mm）
  • d
    40
  • D
    90
  • B
    23
  • Basic Loading Rating（KN）
  • C
    78
  • C0
    64
  • Fatigue load limit
  • Pu[kN]
    2.7
  • Speed ratings r/min
  • Reference speed[r/min]
    10000
  • Limiting speed[r/min]
    14000
  • Dimensions (mm)
  • d1
    52
  • D1
    72.5
  • r1,2
    1.5
  • a
    46
  • Abutment and fillet dimensions
  • da min
    49
  • Da Max
    81
  • ra max
    1.5
  • Mass
  • KG
    0.78

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