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NUP311-E Single Row Cylindrical roller bearing detail Specifications: Material : 52100 Chrome Steel Construction : Single Row Limiting Speed : 3920 rpm Cage : Steel , brass or Nylon Cage Material : Steel , brass or Polyamide (PA66) Weight : 1.52 kg MainDimensions: Bore diameter (d) : 55 mm Outer diameter (D) : 120 mm Width (B) : 29 mm Chamfer dimension (r) min. : 2.0 mm Chamfer dimension (r1) min. : 2.0 mm Chamfer dimension of loose flange ring (F) : 70.50 mm Width of loose rib (B1) : 5.0 mm Static load ratings (Cor) : 143.10 KN Dynamic load ratings (Cr) : 125.10 KN ABUTMENT DIMENSIONS Rib diameter inner ring (d1) max. : 77.50 mm Rib diameter outer ring ( D1) min. : 101.40 mm Diameter shaft shoulder (da) min. : 66.00 mm Shaft shoulder (dc) min. : 80.00 mm Diameter of housing shoulder (Da) max. : 109.00 mm Recess radius (ra) max. : 2.0 mm