30308T72J2/QDBC220
SIAIF 30308T72J2/QDBC220
Type

Tapered roller bearing

Model：30308T72J2/QDBC220
Thickness(mm)：72
Inner diameter d：40
Outer diameter D：90
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Detailed information

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Basic size mm
  • d40
  • D90
  • T72
Basic load rating kN
  • DynamicsC170
  • Static Co190
RatedSpeed r/min
  • Reference speed5300
  • Limit speed8000
Size mm
  • d40
  • d 1 ～62.5
  • C61.5
  • r 1,2 Minimum2
  • r 5 Minimum0.6
  • a50
  • Cb Minimum5
Shoulder and chamfer dimensions mm
  • d b Maximum49
  • Db Minimum82
  • r a Maximum2
  • r c Maximum0.6
Calculate coefficient
  • e0.35
  • Y11.9
  • Y22.9
  • Yo1.8
Fatigue load limit Pu
  • Fatigue load limit Pu21.6
Quality
  • Quality1.9
Model
  • Model*30308T72J2/QDBC220

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