30311J2/Q
SIAIF 30311J2/Q
Type

Tapered roller bearing

Model：30311J2/Q
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
  • DynamicsC166
  • Static Co163
RatedSpeed r/min
  • Reference speed4800
  • Limit speed5600
Size mm
  • d55
  • d 1 ～84
  • B29
  • C25
  • r 1,2 Minimum2.5
  • r 3,4 Minimum2
  • a24
Shoulder and chamfer dimensions mm
  • d a Maximum71
  • d b Minimum65
  • Da Minimum104
  • Da Maximum112
  • Db Minimum111
  • Ca Minimum4
  • Cb Minimum6.5
  • r a Maximum2
  • r b Maximum2
Calculate coefficient
  • e0.35
  • Y1.7
  • Yo0.9
Fatigue load limit Pu
  • Fatigue load limit Pu19.3
Quality
  • Quality1.55
Model
  • Model*30311J2/Q
ISO335 SizeSeries (ABMA)
  • ISO335 SizeSeries (ABMA)2FB

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