NU Bearing series

With the rolling elements located on the outer ring, this bearing has an inner ring which slides in both directions and is commonly found in motors.

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What are the features and benefits of bearings with a fixed outer ring and sliding inner ring?

With a fixed outer ring holding the rolling elements and a sliding inner ring, 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. 

Excellent running characteristics make this bearing an efficient choice for electric motors and has high levels of reliability.

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Other Variations

  • SQ77 = Electrically Insulated (Insulation on the outer ring) (30)
  • L4B = Bearing rings and rollers black oxidized (26)
  • VA301 = Bearing for railway vehicle traction motors (26)
  • B20 = Reduced width tolerance (20)
  • VA3091 = Bearing for railway vehicle traction motors (10)
  • VL0241 = Electrically Insulated (8)
  • Black oxide coated (Durotect B) (7)
  • SQ1 = Electrically Insulated (special specification for electrical motors) (4)
  • VQ015 = Inner ring with crowned raceway for increased permissible misalignment (3)
  • Bearing for railway vehicle traction motors (2)
  • Bearing for railway axleboxes (1)

Cage material

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