Specifications of SKF Bearing W 638/1.5 R-2Z
Dimensions
d | 1.5mm | Bore diameter |
D | 4.0mm | Outside diameter |
B | 2.0mm | Width |
d1 | 2.15mm | Shoulder diameter |
D2 | 3.5mm | Recess diameter |
D3 | 5.0mm | Flange diameter |
C | 0.6mm | Flange width |
r1,2 | 0.05mm | Chamfer dimension |
Abutment dimensions
da | 1.9mm | Diameter of shaft abutment |
da | 2.1mm | Diameter of shaft abutment |
ra | 0.05mm | Radius of shaft or housing fillet |
Calculation data
Basic dynamic load rating | C | 0.062kN |
Basic static load rating | C0 | 0.016kN |
Fatigue load limit | Pu | 0.001kN |
Reference speed | 220000.0r/min | |
Limiting speed | 110000.0r/min | |
Minimum load factor | kr | 0.02 |
Calculation factor | f0 | 6.4 |
Mass
Mass bearing | 0.000102kg |
Tolerance class
Dimensional tolerances | Normal |
Radial run-out | Normal |