21307CDKE4
SIAIF 21307CDKE4
Type

Self-aligning roller bearing

Model：21307CDKE4
Thickness(mm)：21
Inner diameter d：35
Outer diameter D：80
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Detailed information

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Constant
  • e0.28
Axis load factor
  • Y 2 3.6
  • Y 3 2.4
  • Y o 2.4
Dimensions
  • d35
  • D80
  • B21
  • r (Minimum)1.5
Load rating (N)
  • Cr71500
  • Cor76000
Load rating (kgf)
  • Cr7250
  • Cor7750
Limit speed(rpm)
  • Grease lubrication4000
  • Oil lubrication5300
Bearing code (1)
  • Cylindrical hole21307CDE4
  • Conical hole(2)21307CDKE4
Installation size (mm)
  • d a (Minimum)44
  • d a (Maximum)47
  • Da (Maximum)71
  • Da (Minimum)67
  • r a (Maximum)1.5
weight(kg)
  • (Refer to)0.53

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