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SKF N Bearing series

The SKF N Bearing cylindrical roller bearing is commonly found in gearboxes and pumps. These roller bearings have an outer ring which slides in both directions. They have a high radial load capacity and excellent running properties.

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What are the benefits of choosing SKF single row cylindrical roller bearings with a fixed inner ring and a sliding outer ring?

With a fixed inner ring and a sliding outer ring, these bearings are commonly found in gearboxes and pumps. They are able to run directly on the outer housing without an outer raceway, in applications designs where space is limited. 

These bearings are able to carry a high radial load at mid-speed, but are not able to take any axial load in either direction. 

This type of bearing has the designation N, for easy identification. 

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Measurement

  • Metric (107)

id (mm)

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Width (mm)

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Lubrication

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Bore Type

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Clearance

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Accuracy

  • P6 Class tolerance (3)
  • SP = Dimensional tolerances to ISO class 5, geometrical tolerances to class 4

    (1)

Other Variations

  • VA301 = Bearing for railway vehicle traction motors (2)
  • HC5 = Hybrid bearing (1)
  • NR = Snap ring & groove (1)

Cage material

  • Polymer cage (71)
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Series

  • N3.. (63)
  • N2.. (41)
  • N1.. (1)
  • RN (1)