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Home>>Catalog>> Tapered Roller Bearing>>Single Row Taper Roller Bearing>>d:220-420mm>>Bearing NO.:7880 7880Back>>
Principal dimensions mm
  • d:400
  • D:500
  • T:60
  • B:57
  • C:47
  • r 1 .r 2 min:4
  • r 1 .r 2 min:4
  • r 3 .r 4 min:3
  • r 3 .r 4 min:3
Basic load ratings KN
  • Cr:450
  • Cor:954
Limit speed r/ min
  • Grease:400
  • Oil:500
  • Old code.:7880
  • New code.:7880
  • Mass kg:25.1
Fitting dimension mm
  • damax:368
  • dbmin:414
  • Damin:406
  • Damax:489
  • Dbmin:460
  • Camin:13
  • Cbmin:13
Calculation coefficient
  • e:0.38
  • Y:1.6
  • Yo :0.86
  • a:77
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