NU260MA
SIAIF NU260MA
Type

Cylindrical roller bearing

Model：NU260MA
Thickness(mm)：85
Inner diameter d：300
Outer diameter D：540
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Detailed information

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Basic size mm
  • d300
  • D540
  • B85
Basic load rating kN
  • DynamicsC1420
  • Static Co2120
RatedSpeed r/min
  • Reference speed1300
  • Limit speed1800
Model
  • ModelNU260MA
Size mm
  • d300
  • d 1 ～-
  • D1 ～451
  • F,E364
  • r 1,2 Minimum5
  • r 3,4 Minimum5
  • s 1) 4.8
Shoulder and chamfer dimensions mm
  • d a Minimum320
  • d a Maximum358
  • d b ,Da Minimum368
  • Da Maximum520
  • r a Maximum4
  • r b Maximum4
Calculate coefficient
  • kr0.15
Corner Circle
  • Model-
  • Quality
  • SizeB1
  • SizeB2
Fatigue load limit Pu
  • Fatigue load limit Pu183
Quality
  • Quality89.5

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