387A/382A/Q
SIAIF 387A/382A/Q
Type

Tapered roller bearing

Model：387A/382A/Q
Thickness(mm)：20.886
Inner diameter d：57.15
Outer diameter D：96.838
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Detailed information

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Basic size mm
  • d57.15
  • D96.838
  • T20.886
Basic load rating kN
  • DynamicsC80.9
  • Static Co102
RatedSpeed r/min
  • Reference speed5000
  • Limit speed7500
Size mm
  • d57.15
  • d 1 ～74.1
  • B21.946
  • C15.875
  • r 1,2 Minimum3.5
  • r 3,4 Minimum0.8
  • a17
Shoulder and chamfer dimensions mm
  • d a Maximum65
  • d b Minimum68.5
  • Da Minimum87
  • Da Maximum91.5
  • Db Minimum91
  • Ca Minimum5
  • Cb Minimum5
  • r a Maximum3
  • r b Maximum0.8
Calculate coefficient
  • e0.35
  • Y1.7
  • Yo0.9
Fatigue load limit Pu
  • Fatigue load limit Pu11.6
Quality
  • Quality0.59
Model
  • Model387A/382A/Q
Series
  • Series385

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