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Product parameters

Bearing Information
  • Part Number 63311NR
  • Bearing TypeRadial
  • ConstructionSingle Row
  • Seal TypeOpen
Overall Dimensions
  • Dimension mm 55*120*36.5
  • Bore Dia (d) 55mm
  • Outer Dia (D) 120mm
  • Width (B) 36.5mm
  • Snap ring diameter D2 (max) 139.7mm
  • Snap ring width f (max) 2.82mm
  • Weight  2.2372kg
Load Rating & Rotate Speed
  • Dynamic Load Rating (Cr) 71.5KN
  • Static Load Rating (Cor) 45KN
Other parameters
  • Ring Material52100 Chrome steel
  • Ball Material52100 Chrome steel
  • Cage MaterialStamped Steel Cage
  • LubricationOil
  • Temperature Range-30° to 120 ℃
  • ABEC RatingABEC-1
  • Radial Clearance 0.023-0.043mm
  • Quality ControlISO 9001
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