NNU4964
SIAIF NNU4964
Type

Short cylindrical roller bearing

Model：NNU4964
Thickness(mm)：118
Inner diameter d：320
Outer diameter D：440
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Detailed information

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Bearing code
  • Cylindrical holeNNU4964
  • Conical hole(1)NNU4964K
Installation size (mm)
  • d a (2) (Minimum)333
  • d a (2) (Maximum)355
  • d 1a (Minimum)338
  • d c (Minimum)363
  • Da (Maximum)427
  • Da (Minimum)-
  • r a (Maximum)2.5
Dimensions(mm)
  • d320
  • D440
  • B118
  • r(Minimum)3
  • Fw356
  • Ew-
weight (kg)
  • (Refer to)54.9
Load rating(N)
  • Cr1260000
  • Cor3050000
Limit speed(rpm)
  • Grease lubrication1100
  • Oil lubrication1400

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