NNU4960
SIAIF NNU4960
Type

Short cylindrical roller bearing

Model：NNU4960
Thickness(mm)：118
Inner diameter d：300
Outer diameter D：420
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Detailed information

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Bearing code
  • Cylindrical holeNNU4960
  • Conical hole(1)NNU4960K
Installation size (mm)
  • d a (2) (Minimum)313
  • d a (2) (Maximum)335
  • d 1a (Minimum)318
  • d c (Minimum)343
  • Da (Maximum)407
  • Da (Minimum)-
  • r a (Maximum)2.5
Dimensions(mm)
  • d300
  • D420
  • B118
  • r(Minimum)3
  • Fw336
  • Ew-
weight (kg)
  • (Refer to)51.9
Load rating(N)
  • Cr1230000
  • Cor2870000
Limit speed(rpm)
  • Grease lubrication1200
  • Oil lubrication1500

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