Specifications of SKF Bearing 7221 BECBM
Dimensions
d | 105.0mm | Bore diameter |
D | 190.0mm | Outside diameter |
B | 36.0mm | Width |
d1 | 137.95mm | Shoulder diameter of inner ring (large side face) |
d2 | 121.17mm | Shoulder diameter of inner ring (small side face) |
D1 | 159.1mm | Shoulder diameter of outer ring (large side face) |
a | 80.0mm | Distance side face to pressure point |
r1,2 | 2.1mm | Chamfer dimension |
r3,4 | 1.1mm | Chamfer dimension |
Abutment dimensions
da | 117.0mm | Diameter of shaft abutment |
Da | 178.0mm | Abutment diameter housing |
Db | 183.0mm | Diameter of housing abutment |
ra | 2.0mm | Radius of fillet |
rb | 1.0mm | Radius of fillet |
Calculation data
Basic dynamic load rating | C | 156.0kN |
Basic static load rating | C0 | 150.0kN |
Fatigue load limit | Pu | 5.2kN |
Reference speed | 4000.0r/min | |
Limiting speed | 5300.0r/min | |
Minimum axial load factor | A | 0.302 |
Minimum radial load factor | kr | 0.095 |
Limiting value | e | 1.14 |
Mass
Mass | 3.95kg |