6304NR
SIAIF 6304NR
Type

Deep groove ball bearing

Model：6304NR
Thickness(mm)：15
Inner diameter d：20
Outer diameter D：52
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Detailed information

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Basic size mm
  • d20
  • D52
  • B15
Basic load rating kN
  • DynamicsC16.8
  • Static Co7.8
RatedSpeed r/min
  • Reference speed30000
  • Limit speed 1) 19000
Model
  • Bearing带Stop槽*6304N
  • Stop槽和Stop ring*6304NR
  • Stop ringSP52
Size mm
  • d20
  • d1 ～30.4
  • D1 ～41.6
  • D349.73
  • D457.9
  • b1.35
  • f1.12
  • C2.46
  • r 1,2 Minimum1.1
  • r 0 Maximum0.4
Shoulder and chamfer dimensions mm
  • d a Minimum27
  • Da Maximum45
  • D b Minimum59
  • b a Minimum1.5
  • Ca Maximum3.58
  • r a Maximum1
Calculate coefficient
  • k r 0.03
  • fo12
Fatigue load limit Pu
  • Fatigue load limit Pu0.335
Quality kg
  • Quality kg0.14

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