38880/38820
SIAIF 38880/38820
Type

Tapered roller bearing

Model：38880/38820
Thickness(mm)：28.575
Inner diameter d：263.525
Outer diameter D：325.438
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Detailed information

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Basic size mm
  • d263.525
  • D325.438
  • T28.575
Basic load rating kN
  • DynamicsC220
  • Static Co550
RatedSpeed r/min
  • Reference speed1300
  • Limit speed1800
Size mm
  • d263.525
  • d 1 ～294
  • B28.575
  • C25.4
  • r 1,2 Minimum1.5
  • r 3,4 Minimum1.5
  • a49
Shoulder and chamfer dimensions mm
  • d a Maximum282
  • d b Minimum275
  • Da Minimum307
  • Da Maximum315
  • Db Minimum313
  • Ca Minimum4
  • Cb Minimum3
  • r a Maximum1.5
  • r b Maximum1.5
Calculate coefficient
  • e0.37
  • Y1.6
  • Yo0.9
Fatigue load limit Pu
  • Fatigue load limit Pu48
Quality
  • Quality53
Model
  • Model38880/38820
Series
  • Series38800

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