NNU4938
SIAIF NNU4938
Type

Short cylindrical roller bearing

Model：NNU4938
Thickness(mm)：69
Inner diameter d：190
Outer diameter D：260
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Detailed information

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Bearing code
  • Cylindrical holeNNU4938
  • Conical hole(1)NNU4938K
Installation size (mm)
  • d a (2) (Minimum)199
  • d a (2) (Maximum)211
  • d 1a (Minimum)203
  • d c (Minimum)217
  • Da (Maximum)251
  • Da (Minimum)-
  • r a (Maximum)2
Dimensions(mm)
  • d190
  • D260
  • B69
  • r(Minimum)2
  • Fw211.5
  • Ew-
weight (kg)
  • (Refer to)10.9
Load rating(N)
  • Cr485000
  • Cor1060000
Limit speed(rpm)
  • Grease lubrication2000
  • Oil lubrication2600

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