31311J2/QCL7C
SIAIF 31311J2/QCL7C
Type

Tapered roller bearing

Model：31311J2/QCL7C
Thickness(mm)：31.5
Inner diameter d：55
Outer diameter D：120
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Detailed information

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Basic size mm
  • d55
  • D120
  • T31.5
Basic load rating kN
  • DynamicsC140
  • Static Co137
RatedSpeed r/min
  • Reference speed4300
  • Limit speed5600
Size mm
  • d55
  • d 1 ～88.4
  • B29
  • C21
  • r 1,2 Minimum2.5
  • r 3,4 Minimum2
  • a37
Shoulder and chamfer dimensions mm
  • d a Maximum68
  • d b Minimum65
  • Da Minimum94
  • Da Maximum112
  • Db Minimum113
  • Ca Minimum4
  • Cb Minimum10.5
  • r a Maximum2
  • r b Maximum2
Calculate coefficient
  • e0.83
  • Y0.72
  • Yo0.4
Fatigue load limit Pu
  • Fatigue load limit Pu16.6
Quality
  • Quality1.55
Model
  • Model*31311J2/QCL7C
ISO335 SizeSeries (ABMA)
  • ISO335 SizeSeries (ABMA)7FB

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