LM12749/711/Q
SIAIF LM12749/711/Q
Type

Tapered roller bearing

Model：LM12749/711/Q
Thickness(mm)：15.494
Inner diameter d：21.986
Outer diameter D：45.974
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Detailed information

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Basic size mm
  • d21.986
  • D45.974
  • T15.494
Basic load rating kN
  • DynamicsC31.5
  • Static Co31
RatedSpeed r/min
  • Reference speed12000
  • Limit speed17000
Size mm
  • d21.986
  • d 1 ～34.3
  • B16.637
  • C12.065
  • r 1,2 Minimum1.3
  • r 3,4 Minimum1.3
  • a10
Shoulder and chamfer dimensions mm
  • d a Maximum28
  • d b Minimum28
  • Da Minimum39
  • Da Maximum40
  • Db Minimum42
  • Ca Minimum3
  • Cb Minimum3
  • r a Maximum1.3
  • r b Maximum1.3
Calculate coefficient
  • e0.31
  • Y1.9
  • Yo1.1
Fatigue load limit Pu
  • Fatigue load limit Pu3.2
Quality
  • Quality0.12
Model
  • Model*LM12749/711/Q
Series
  • SeriesLM12700

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