Specifications of SKF Bearing 306 NR
Dimensions
d | 30.0mm | Bore diameter |
D | 72.0mm | Outside diameter |
B | 19.0mm | Width |
d1 | 44.6mm | Shoulder diameter |
D2 | 61.88mm | Recess diameter |
D3 | 68.81mm | Diameter of snap ring groove |
D4 | 78.6mm | Outside diameter of snap ring |
b | 1.9mm | Width of snap ring groove |
C | 3.28mm | Distance outer ring from side face to snap ring groove |
f | 1.7mm | Width of snap ring |
r0 | 0.6mm | Bottom radius of snap ring groove |
r1,2 | 1.1mm | Chamfer dimension |
Abutment dimensions
da | 37.0mm | Diameter of shaft abutment |
Da | 65.0mm | Diameter of housing abutment |
Db | 80.0mm | Diameter of snap ring recess in the housing |
ba | 2.2mm | Width of snap ring recess in the housing |
Ca | 4.98mm | Distance from outer ring side face to snap ring back face |
ra | 1.0mm | Radius of shaft or housing fillet |
Calculation data
Basic dynamic load rating | C | 29.7kN |
Basic static load rating | C0 | 21.6kN |
Fatigue load limit | Pu | 0.93kN |
Reference speed | 18000.0r/min | |
Limiting speed | 11000.0r/min | |
Minimum load factor | kr | 0.05 |
Mass
Mass bearing | 0.37kg |
Included products
Snap ring | SP 72 |
Tolerance class
Dimensional tolerances | Normal |
Radial run-out | Normal |