Specifications of SKF Bearing 7256 BM
Dimensions
d | 280.0mm | Bore diameter |
D | 500.0mm | Outside diameter |
B | 80.0mm | Width |
d1 | 367.7mm | Shoulder diameter of inner ring (large side face) |
d2 | 328.07mm | Shoulder diameter of inner ring (small side face) |
D1 | 417.7mm | Shoulder diameter of outer ring (large side face) |
a | 204.0mm | Distance side face to pressure point |
r1,2 | 5.0mm | Chamfer dimension |
r3,4 | 2.0mm | Chamfer dimension |
Abutment dimensions
da | 300.0mm | Diameter of shaft abutment |
Da | 480.0mm | Abutment diameter housing |
Db | 489.0mm | Diameter of housing abutment |
ra | 4.0mm | Radius of fillet |
rb | 2.0mm | Radius of fillet |
Calculation data
Basic dynamic load rating | C | 507.0kN |
Basic static load rating | C0 | 830.0kN |
Fatigue load limit | Pu | 17.6kN |
Reference speed | 1400.0r/min | |
Limiting speed | 1400.0r/min | |
Minimum axial load factor | A | 11.3 |
Minimum radial load factor | kr | 0.08 |
Limiting value | e | 1.14 |
Mass
Mass | 67.5kg |