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NU312-E single row Cylindrical roller bearing detail Specifications: Material : 52100 Chrome Steel Construction : Single Row Seal Type : open type Cage : Steel,brass or Nylon Cage Material : Steel,brass or Polyamide (PA66) Limiting Speed : 3500 rpm Packing : Industrial packing or single box packing Weight : 2.01 kg MainDimensions: Bore diameter (d) : 60 mm Outer diameter ( D) : 130 mm Width (B) : 31 mm Chamfer dimension (r) min. : 2.1 mm Chamfer dimension (r1) min. : 2.1 mm Permissible axial displacement (S ) max. : 1.8 mm Raceway diameter of inner ring (F) : 77.00 mm Dynamic load ratings (Cr) : 159.30 KN Static load ratings (Cor) : 141.30 KN ABUTMENT DIMENSIONS Diameter shaft shoulder (da) min. : 72 mm Diameter shaft shoulder (da) max. : 75 mm Minimum shaft shoulder (Db) min. : 79 mm Diameter of housing shoulder (Da) max. : 118 mm Maximum recess radius (ra) max : 2.0 mm Maximum recess radius (ra1) max : 2.0 mm