21304CDKE4
SIAIF 21304CDKE4
Type

Self-aligning roller bearing

Model：21304CDKE4
Thickness(mm)：15
Inner diameter d：20
Outer diameter D：52
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Detailed information

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Constant
  • e0.31
Axis load factor
  • Y 2 3.2
  • Y 3 2.1
  • Y o 2.1
Dimensions
  • d20
  • D52
  • B15
  • r (Minimum)1.1
Load rating (N)
  • Cr29300
  • Cor26900
Load rating (kgf)
  • Cr2980
  • Cor2740
Limit speed(rpm)
  • Grease lubrication6300
  • Oil lubrication8200
Bearing code (1)
  • Cylindrical hole21304CDE4
  • Conical hole(2)21304CDKE4
Installation size (mm)
  • d a (Minimum)27
  • d a (Maximum)28
  • Da (Maximum)45
  • Da (Minimum)42
  • r a (Maximum)1
weight(kg)
  • (Refer to)0.17

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