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NU Bearing Series

The SKF NU Bearing is commonly found in motors and has the rolling elements located on the outer ring. The inner ring is able to slide in either direction.

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id (mm)

  • 15 (3)
  • 17 (4)
  • 19.3 (1)
  • 20 (5)
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  • 22.9 (1)
  • 25 (10)
  • 26.5 (1)
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  • 300 (1)

od (mm)

  • 35 (4)
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  • 400 (9)
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Width (mm)

  • 11 (4)
  • 12 (5)
  • 13 (1)
  • 14 (6)
  • 15 (8)
  • 16 (15)
  • 17 (10)
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  • 36 (8)
  • 37 (13)
  • 38 (8)
  • 39 (6)
  • 40 (24)
  • 41 (6)
  • 42 (9)
  • 43 (15)
  • 45 (27)
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  • 47 (7)
  • 48 (8)
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  • 58 (18)
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  • 62 (4)
  • 64 (8)
  • 65 (11)
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  • 68 (5)
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  • 73 (7)
  • 74 (1)
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  • 78 (1)
  • 80 (5)
  • 86 (5)
  • 92 (2)
  • 93 (3)
  • 98 (2)
  • 102 (2)
  • 108 (3)
  • 114 (1)
  • 120 (2)
  • 130 (1)

Clearance

  • Normal Clearance (Cn) (283)
  • C3 Clearance (255)
  • C4 Clearance (8)

Other Variations

  • VA301 = Bearing for railway vehicle traction motors (3)
  • VQ015 = Inner ring with crowned raceway for increased permissible misalignment (2)
  • B20 = Reduced width tolerance (1)
  • VA3091 = Bearing for railway vehicle traction motors (1)
  • VL0241 = Electrically Insulated (1)

Cage material

  • Brass cage (233)
  • Polymer cage (184)
  • Steel cage (129)
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