Specifications of SKF Bearing NNCL 4912 CV
Dimensions
d | 60.0mm | Bore diameter |
D | 85.0mm | Outside diameter |
B | 25.0mm | Width |
d1 | 70.5mm | Shoulder diameter inner ring |
E | 77.51mm | Raceway diameter outer ring |
b1 | 4.5mm | Width annular lubrication groove outer ring |
K | 3.5mm | Diameter lubrication hole (outer ring) |
s | 1.0mm | Permissible axial displacement from the normal position of one bearing ring relative to the other |
r1,2 | 1.0mm | Chamfer dimension (open bearings) |
Abutment dimensions
da | 64.7mm | Abutment diameter shaft |
Da | 80.5mm | Abutment diameter housing |
ra | 1.0mm | Fillet radius |
Calculation data
Basic dynamic load rating | C | 78.1kN |
Basic static load rating | C0 | 137.0kN |
Fatigue load limit | Pu | 14.3kN |
Reference speed | 3600.0r/min | |
Limiting speed | 4500.0r/min | |
Calculation factor | kr | 0.25 |
Mass
Mass bearing | 0.47kg |