NNU4956K
SIAIF NNU4956K
Type

Short cylindrical roller bearing

Model：NNU4956K
Thickness(mm)：100
Inner diameter d：280
Outer diameter D：380
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Detailed information

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Bearing code
  • Cylindrical holeNNU4956
  • Conical hole(1)NNU4956K
Installation size (mm)
  • d a (2) (Minimum)291
  • d a (2) (Maximum)308
  • d 1a (Minimum)295
  • d c (Minimum)315
  • Da (Maximum)369
  • Da (Minimum)-
  • r a (Maximum)2
Dimensions(mm)
  • d280
  • D380
  • B100
  • r(Minimum)2.1
  • Fw309
  • Ew-
weight (kg)
  • (Refer to)33
Load rating(N)
  • Cr960000
  • Cor2230000
Limit speed(rpm)
  • Grease lubrication1300
  • Oil lubrication1700

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