18790/18720/Q
SIAIF 18790/18720/Q
Type

Tapered roller bearing

Model：18790/18720/Q
Thickness(mm)：17.462
Inner diameter d：50.8
Outer diameter D：85
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Detailed information

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Basic size mm
  • d50.8
  • D85
  • T17.462
Basic load rating kN
  • DynamicsC50.1
  • Static Co65.5
RatedSpeed r/min
  • Reference speed5600
  • Limit speed8500
Size mm
  • d50.8
  • d 1 ～66
  • B17.462
  • C13.495
  • r 1,2 Minimum3.5
  • r 3,4 Minimum1.5
  • a16
Shoulder and chamfer dimensions mm
  • d a Maximum59
  • d b Minimum62
  • Da Minimum75
  • Da Maximum77.5
  • Db Minimum79
  • Ca Minimum3
  • Cb Minimum3.5
  • r a Maximum3
  • r b Maximum1.5
Calculate coefficient
  • e0.4
  • Y1.5
  • Yo0.8
Fatigue load limit Pu
  • Fatigue load limit Pu7.2
Quality
  • Quality0.37
Model
  • Model18790/18720/Q
Series
  • Series18700

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