RNA 4909
SIAIF RNA 4909
Type

Needle roller bearing

Model：RNA 4909
Thickness(mm)：22
Inner diameter d：52
Outer diameter D：68
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Detailed information

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Dimensions(mm)
  • F w 52
  • D68
  • C22
  • r (Minimum)0.6
Limit speed(rpm)
  • Grease lubrication5000
  • Oil lubrication8000
Bearing code
  • noneInner circle-
  • haveInner circleNA 4909
Load rating (N)
  • Cr41000
  • Cor67500
Load rating {kgf}
  • Cr4150
  • Cor6900
外开Size(mm)
  • d45
  • B22
Installation size(mm)
  • d a (Minimum)49
  • D a (Maximum)64
  • r a (Maximum)0.6
weight(kg) (Refer to)
  • noneInner circle0.19
  • haveInner circle0.28

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