Specifications of SKF Bearing W 638/2.5 R-2Z
Dimensions
d | 2.5mm | Bore diameter |
D | 6.0mm | Outside diameter |
B | 2.6mm | Width |
d1 | 3.7mm | Shoulder diameter |
D2 | 5.4mm | Recess diameter |
D3 | 7.1mm | Flange diameter |
C | 0.8mm | Flange width |
r1,2 | 0.08mm | Chamfer dimension |
Abutment dimensions
da | 3.1mm | Diameter of shaft abutment |
da | 3.6mm | Diameter of shaft abutment |
ra | 0.08mm | Radius of shaft or housing fillet |
Calculation data
Basic dynamic load rating | C | 0.117kN |
Basic static load rating | C0 | 0.036kN |
Fatigue load limit | Pu | 0.002kN |
Reference speed | 170000.0r/min | |
Limiting speed | 85000.0r/min | |
Minimum load factor | kr | 0.02 |
Calculation factor | f0 | 7.1 |
Mass
Mass bearing | 0.000405kg |
Tolerance class
Dimensional tolerances | Normal |
Radial run-out | Normal |