31306J2/Q
SIAIF 31306J2/Q
Type

Tapered roller bearing

Model：31306J2/Q
Thickness(mm)：20.75
Inner diameter d：30
Outer diameter D：72
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Detailed information

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Basic size mm
  • d30
  • D72
  • T20.75
Basic load rating kN
  • DynamicsC55
  • Static Co50
RatedSpeed r/min
  • Reference speed7500
  • Limit speed9500
Size mm
  • d30
  • d 1 ～52.7
  • B19
  • C14
  • r 1,2 Minimum1.5
  • r 3,4 Minimum1.5
  • a22
Shoulder and chamfer dimensions mm
  • d a Maximum40
  • d b Minimum37
  • Da Minimum55
  • Da Maximum65
  • Db Minimum68
  • Ca Minimum3
  • Cb Minimum6.5
  • r a Maximum1.5
  • r b Maximum1.5
Calculate coefficient
  • e0.83
  • Y0.72
  • Yo0.4
Fatigue load limit Pu
  • Fatigue load limit Pu5.7
Quality
  • Quality0.39
Model
  • Model*31306J2/Q
ISO335 SizeSeries (ABMA)
  • ISO335 SizeSeries (ABMA)7FB

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