31311 single row Tapered roller bearings
31311 single row Tapered roller bearings detail Specifications:
Material : 52100 Chrome Steel
Construction : Single row
Metric series
Limiting speeds : 5600 rpm
Weight : 1.55 kg
Main Dimensions:
Bore diameter (d) : 55 mm
Outer diameter (D) : 120 mm
Width of inner ring (B) : 29 mm
Width of outer ring (C) : 21 mm
Total width (T) : 31.5 mm
Chamfer dimension of inner ring (r ) min. : 2.5 mm
Chamfer dimension of outer ring ( r) min. : 2.0 mm
Dynamic load ratings (Cr) : 116.10 KN
Static load ratings (Cor) : 133.20 KN
ABUTMENT DIMENSIONS
Diameter of shaft abutment (da) max. : 68 mm
Diameter of shaft abutment (db) min. : 65 mm
Diameter of housing abutment (Da) min. : 94 mm
Diameter of housing abutment (Da) max. : 110 mm
Diameter of housing abutment (Db) min. : 113 mm
Minimum width of space required in housing on large side face (Ca) min. : 4 mm
Minimum width of space required in housing on small side face (Cb) min. : 10.5 mm
Radius of shaft fillet (ra) max. : 2.5 mm
Radius of housing fillet(rb) max. : 2.0 mm