NU12/500MA
SIAIF NU12/500MA
Type

Cylindrical roller bearing

Model：NU12/500MA
Thickness(mm)：185
Inner diameter d：500
Outer diameter D：920
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Detailed information

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Basic size mm
  • d500
  • D920
  • B185
Basic load rating kN
  • DynamicsC5280
  • Static Co8500
RatedSpeed r/min
  • Reference speed670
  • Limit speed950
Model
  • ModelNU12/500MA
Size mm
  • d500
  • d 1 ～-
  • D1 ～728
  • F,E576
  • r 1,2 Minimum7.5
  • r 3,4 Minimum7.5
  • s 1) 14.5
Shoulder and chamfer dimensions mm
  • d a Minimum532
  • d a Maximum564
  • d b ,Da Minimum581
  • Da Maximum798
  • r a Maximum6
  • r b Maximum6
Calculate coefficient
  • kr0.21
Corner Circle
  • Model-
  • Quality
  • SizeB1
  • SizeB2
Fatigue load limit Pu
  • Fatigue load limit Pu620
Quality
  • Quality585

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