Specifications of SKF Bearing W 637/8-2Z
Dimensions
d | 8.0mm | Bore diameter |
D | 12.0mm | Outside diameter |
B | 3.5mm | Width |
d1 | 9.0mm | Shoulder diameter |
d2 | 9.0mm | Recess diameter |
D2 | 11.31mm | Recess diameter |
r1,2 | 0.1mm | Chamfer dimension |
Abutment dimensions
da | 8.6mm | Diameter of shaft abutment |
da | 8.9mm | Diameter of shaft abutment |
Da | 11.5mm | Diameter of housing abutment |
ra | 0.1mm | Radius of shaft or housing fillet |
Calculation data
Basic dynamic load rating | C | 0.312kN |
Basic static load rating | C0 | 0.14kN |
Fatigue load limit | Pu | 0.006kN |
Reference speed | 100000.0r/min | |
Limiting speed | 53000.0r/min | |
Minimum load factor | kr | 0.02 |
Calculation factor | f0 | 8.2 |
Mass
Mass bearing | 0.001kg |
Tolerance class
Dimensional tolerances | Normal |
Radial run-out | Normal |