Specifications of SKF Bearing NNCF 4860 CV
Dimensions
d | 300.0mm | Bore diameter |
D | 380.0mm | Outside diameter |
B | 80.0mm | Width |
d1 | 330.0mm | Shoulder diameter inner ring |
D1 | 349.0mm | Shoulder diameter outer ring |
b1 | 9.4mm | Width annular lubrication groove outer ring |
K | 5.0mm | Diameter lubrication hole (outer ring) |
s | 6.0mm | Permissible axial displacement from the normal position of one bearing ring relative to the other |
r1,2 | 2.1mm | Chamfer dimension (open bearings) |
r3,4 | 2.1mm | Chamfer dimension |
Abutment dimensions
da | 310.0mm | Abutment diameter shaft |
das | 319.0mm | Abutment diameter shaft |
Da | 370.0mm | Abutment diameter housing |
ra | 2.0mm | Fillet radius |
rb | 2.0mm | Fillet radius |
Calculation data
Basic dynamic load rating | C | 858.0kN |
Basic static load rating | C0 | 2120.0kN |
Fatigue load limit | Pu | 196.0kN |
Reference speed | 700.0r/min | |
Limiting speed | 850.0r/min | |
Calculation factor | kr | 0.2 |
Mass
Mass bearing | 22.5kg |