Specifications of SKF Bearing 312-2ZNR
Dimensions
d | 60.0mm | Bore diameter |
D | 130.0mm | Outside diameter |
B | 31.0mm | Width |
d1 | 81.86mm | Shoulder diameter |
D2 | 112.2mm | Recess diameter |
D3 | 125.22mm | Diameter of snap ring groove |
D4 | 139.7mm | Outside diameter of snap ring |
b | 3.1mm | Width of snap ring groove |
C | 4.06mm | Distance outer ring from side face to snap ring groove |
f | 2.82mm | Width of snap ring |
r0 | 0.6mm | Bottom radius of snap ring groove |
r1,2 | 2.1mm | Chamfer dimension |
Abutment dimensions
da | 72.0mm | Diameter of shaft abutment |
da | 81.7mm | Diameter of shaft abutment |
Da | 118.0mm | Diameter of housing abutment |
Db | 141.0mm | Diameter of snap ring recess in the housing |
ba | 3.5mm | Width of snap ring recess in the housing |
Ca | 6.88mm | Distance from outer ring side face to snap ring back face |
ra | 2.0mm | Radius of shaft or housing fillet |
Calculation data
Basic dynamic load rating | C | 91.3kN |
Basic static load rating | C0 | 78.0kN |
Fatigue load limit | Pu | 3.35kN |
Reference speed | 9500.0r/min | |
Limiting speed | 4800.0r/min | |
Minimum load factor | kr | 0.05 |
Mass
Mass bearing | 1.85kg |
Included products
Snap ring | SP 130 |
Tolerance class
Dimensional tolerances | Normal |
Radial run-out | Normal |