M249747/710
SIAIF M249747/710
Type

Tapered roller bearing

Model：M249747/710
Thickness(mm)：71.438
Inner diameter d：257.175
Outer diameter D：358.775
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Detailed information

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Basic size mm
  • d257.175
  • D358.775
  • T71.438
Basic load rating kN
  • DynamicsC842
  • Static Co1760
RatedSpeed r/min
  • Reference speed1200
  • Limit speed1700
Size mm
  • d257.175
  • d 1 ～297
  • B57.15
  • C44.45
  • r 1,2 Minimum6.4
  • r 3,4 Minimum3.3
  • a60
Shoulder and chamfer dimensions mm
  • d a Maximum273
  • d b Minimum289
  • Da Minimum318
  • Da Maximum343
  • Db Minimum331
  • Ca Minimum9
  • Cb Minimum12.5
  • r a Maximum6
  • r b Maximum3
Calculate coefficient
  • e0.35
  • Y1.7
  • Yo0.9
Fatigue load limit Pu
  • Fatigue load limit Pu156
Quality
  • Quality20.5
Model
  • ModelM249747/710
Series
  • SeriesM249700

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