SP42
SIAIF SP42
Type

Deep groove ball bearing

Model：SP42
Thickness(mm)：12
Inner diameter d：20
Outer diameter D：42
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Detailed information

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Basic size mm
  • d20
  • D42
  • B12
Basic load rating kN
  • DynamicsC9.5
  • Static Co5
RatedSpeed r/min
  • Reference speed38000
  • Limit speed 1) 24000
Model
  • Bearing带Stop槽*6004N
  • Stop槽和Stop ring*6004NR
  • Stop ringSP42
Size mm
  • d20
  • d1 ～27.2
  • D1 ～34.8
  • D339.75
  • D446.3
  • b1.35
  • f1.12
  • C2.06
  • r 1,2 Minimum0.6
  • r 0 Maximum0.4
Shoulder and chamfer dimensions mm
  • d a Minimum23.2
  • Da Maximum38.8
  • D b Minimum48
  • b a Minimum1.5
  • Ca Maximum3.18
  • r a Maximum0.6
Calculate coefficient
  • k r 0.025
  • fo14
Fatigue load limit Pu
  • Fatigue load limit Pu0.212
Quality kg
  • Quality kg0.069

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