QJ311
SIAIF QJ311
Type

Machine tool spindle bearings

Model：QJ311
Thickness(mm)：29
Inner diameter d：55
Outer diameter D：120
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Detailed information

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weight (kg)
  • (Refer to)1.75
Bearing code
  • Bearing codeQJ311
Dimensions
  • d55
  • D120
  • B29
  • r Minimum2
Load rating (N)
  • Cr118000
  • Cor187000
Load rating {kgf}
  • Cr12000
  • Cor19100
Installation size (mm)
  • d a (Minimum)65
  • Da (Maximum)110
  • r a (Maximum)2
Limit speed(rpm)
  • Grease lubrication4500
  • Oil lubrication6300
Action point distance (mm)
  • a 0 61.3

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