30256 single row Tapered roller bearings
30256 single row Tapered roller bearings detail Specifications:
Material : 52100 Chrome Steel
Construction : Single row
Metric series
Limiting speeds : 1370 rpm
Weight : 66.5 kg
Main Dimensions:
Bore diameter (d) : 280 mm
Outer diameter (D) : 500 mm
Width of inner ring (B) : 80 mm
Width of outer ring (C) : 67 mm
Total width (T) : 89 mm
Chamfer dimension of inner ring (r ) min. : 6.0 mm
Chamfer dimension of outer ring ( r) min. : 5.0 mm
Dynamic load ratings (Cr) : 1143.00 KN
Static load ratings (Cor) : 1719.00 KN
ABUTMENT DIMENSIONS
Diameter of shaft abutment (da) max. : 325 mm
Diameter of shaft abutment (db) min. : 338 mm
Diameter of housing abutment (Da) min. : 442 mm
Diameter of housing abutment (Da) max. : 477 mm
Diameter of housing abutment (Db) min. : 465 mm
Minimum width of space required in housing on large side face (Ca) min. : 12 mm
Minimum width of space required in housing on small side face (Cb) min. : 22 mm
Radius of shaft fillet (ra) max. : 6.0 mm
Radius of housing fillet(rb) max. : 5.0 mm