Specifications of SKF Bearing 30312
Dimension series | 2FB |
Dimensions
d | 60.0mm | Bore diameter |
D | 130.0mm | Outside diameter |
T | 33.5mm | Total width |
d1 | 91.87mm | Shoulder diameter of inner ring |
B | 31.0mm | Width of inner ring |
C | 26.0mm | Width of outer ring |
r1,2 | 3.0mm | Chamfer dimension of inner ring |
r3,4 | 2.5mm | Chamfer dimension of outer ring |
a | 25.713mm | Distance side face to pressure point |
Abutment dimensions
da | 77.0mm | Diameter of shaft abutment |
db | 72.5mm | Diameter of shaft abutment |
Da | 112.0mm | Diameter of housing abutment |
Da | 119.5mm | Diameter of housing abutment |
Db | 120.0mm | Diameter of housing abutment |
Ca | 5.0mm | Minimum width of space required in housing on large side face |
Cb | 7.5mm | Minimum width of space required in housing on small side face |
ra | 3.0mm | Radius of shaft fillet |
rb | 2.5mm | Radius of housing fillet |
Calculation data
Basic dynamic load rating | C | 208.0kN |
Basic static load rating | C0 | 196.0kN |
Fatigue load limit | Pu | 23.6kN |
Reference speed | 4300.0r/min | |
Limiting speed | 5300.0r/min | |
Limiting value | e | 0.35 |
Axial load factor | Y | 1.7 |
Axial load factor | Y0 | 0.9 |
Mass
Mass | 1.95kg |