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QJ 228 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 228 N2MA
  • Bearings
    QJ 228 N2MA
  • Basic Dimensions（mm）
  • d
    140
  • D
    250
  • B
    42
  • Basic Loading Rating（KN）
  • C
    345
  • C0
    475
  • Fatigue load limit
  • Pu[kN]
    14.3
  • Speed ratings r/min
  • Reference speed[r/min]
    3200
  • Limiting speed[r/min]
    4300
  • Dimensions (mm)
  • d1
    179
  • D1
    211
  • r1,2
    3
  • a
    137
  • Abutment and fillet dimensions
  • da min
    154
  • Da Max
    236
  • ra max
    2.5
  • Mass
  • KG
    9.85

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