NJ311-E single row Cylindrical roller bearing detail Specifications: Material : 52100 Chrome Steel Construction : Single Row Cage : Steel,brass or Nylon Cage Material : Steel,brass or Polyamide (PA66) Limiting Speed : 3920 rpm Packing : Industrial packing or single box packing Weight : 1.48 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 Raceway diameter of inner ring (F) : 70.50 mm Dynamic load ratings (Cr) : 143.10 KN Static load ratings (Cor) : 125.10 KN ABUTMENT DIMENSIONS Diameter shaft shoulder (da) min. : 66.00 mm Diameter shaft shoulder (da) max. : 69.00 mm Diameter of housing shoulder (Da) max. : 109.00 mm Minimum shaft shoulder (Db) min. : 80.00 mm Maximum recess radius (ra) max : 2.0 mm