J,M,ML
SIAIF J,M,ML
Type

Cylindrical roller bearing

Model：J,M,ML
Thickness(mm)：19
Inner diameter d：30
Outer diameter D：72
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Detailed information

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Basic size mm
  • d30
  • D72
  • B19
Basic load rating kN
  • DynamicsC58.5
  • Static Co48
RatedSpeed r/min
  • Reference speed11000
  • Limit speed12000
Model
  • standardCage*NU306ECP
  • otherCage1)J,M,ML
Size mm
  • d30
  • d 1 ～-
  • D1 ～58.9
  • F,E40.5
  • r 1,2 Minimum1.1
  • r 3,4 Minimum1.1
  • s 1) 1.4
Shoulder and chamfer dimensions mm
  • d a Minimum37
  • d a Maximum39
  • d b ,Da Minimum42
  • Da Maximum65
  • r a Maximum1
  • r b Maximum1
Calculate coefficient
  • kr0.15
Corner Circle
  • Model-
  • Quality
  • SizeB1
  • SizeB2
Fatigue load limit Pu
  • Fatigue load limit Pu6.2
Quality standard cage
  • Quality standard cage0.4

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