Specifications of SKF Bearing NNU 4176 M
Design
Design variant/feature | NNU |
Dimensions
d | 380.0mm | Bore diameter |
D | 620.0mm | Outside diameter |
B | 243.0mm | Overall bearing width |
D1 | 550.0mm | Shoulder diameter outer ring |
F | 442.0mm | Raceway diameter inner ring |
r1,2 | 5.0mm | Chamfer dimension outer ring |
r3,4 | 5.0mm | Chamfer dimension inner ring |
s | 7.4mm | Permissible axial displacement from the normal position of one bearing ring relative to the other |
Abutment dimensions
da | 400.0mm | Abutment diameter spacer sleeve |
da | 434.0mm | Abutment diameter spacer sleeve |
db | 447.0mm | Abutment diameter shaft |
Da | 600.0mm | Abutment diameter spacer sleeve / housing |
ra | 4.0mm | Fillet radius |
rb | 4.0mm | Fillet radius |
Calculation data
Basic dynamic load rating | C | 4290.0kN |
Basic static load rating | C0 | 8500.0kN |
Fatigue load limit | Pu | 680.0kN |
Reference speed | 850.0r/min | |
Limiting speed | 1100.0r/min | |
Calculation factor | kr | 0.33 |
Mass
Mass bearing | 285.0kg |