RNA 4907
SIAIF RNA 4907
Type

Needle roller bearing

Model：RNA 4907
Thickness(mm)：20
Inner diameter d：42
Outer diameter D：55
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Detailed information

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Dimensions(mm)
  • F w 42
  • D55
  • C20
  • r (Minimum)0.6
Limit speed(rpm)
  • Grease lubrication6300
  • Oil lubrication10000
Bearing code
  • noneInner circle-
  • haveInner circleNA 4907
Load rating (N)
  • Cr30500
  • Cor47500
Load rating {kgf}
  • Cr3100
  • Cor4800
外开Size(mm)
  • d35
  • B20
Installation size(mm)
  • d a (Minimum)39
  • D a (Maximum)51
  • r a (Maximum)0.6
weight(kg) (Refer to)
  • noneInner circle0.11
  • haveInner circle0.17

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