QJ228
SIAIF QJ228
Type

Machine tool spindle bearings

Model：QJ228
Thickness(mm)：42
Inner diameter d：140
Outer diameter D：250
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Detailed information

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Bearing code
  • Bearing code136.5
Dimensions
  • d140
  • D250
  • B42
  • r Minimum3
Load rating (N)
  • Cr775000
  • Cor32000
Load rating {kgf}
  • Cr79000
  • Cor2000
Installation size (mm)
  • d a (Minimum)236
  • Da (Maximum)2.5
  • r a (Maximum)9.8
weight(kg)
  • (Refer to)
Limit speed(rpm)
  • Grease lubrication2800
  • Oil lubricationQJ228
Action point distance(mm)
  • a o 154

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