NNU4944K
SIAIF NNU4944K
Type

Short cylindrical roller bearing

Model：NNU4944K
Thickness(mm)：80
Inner diameter d：220
Outer diameter D：300
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Detailed information

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Bearing code
  • Cylindrical holeNNU4944
  • Conical hole(1)NNU4944K
Installation size (mm)
  • d a (2) (Minimum)231
  • d a (2) (Maximum)242
  • d 1a (Minimum)234
  • d c (Minimum)248
  • Da (Maximum)289
  • Da (Minimum)-
  • r a (Maximum)2
Dimensions(mm)
  • d220
  • D300
  • B80
  • r(Minimum)2.1
  • Fw243
  • Ew-
weight (kg)
  • (Refer to)16.6
Load rating(N)
  • Cr600000
  • Cor1330000
Limit speed(rpm)
  • Grease lubrication1700
  • Oil lubrication2200

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