Specifications of SKF Bearing 314987 B
Design
Design variant/feature | NNU.4/C4W33WI |
Dimensions
d | 400.0mm | Bore diameter |
D | 560.0mm | Outside diameter |
B | 205.0mm | Overall bearing width |
D1 | 509.0mm | Shoulder diameter outer ring |
F | 445.0mm | Raceway diameter inner ring |
b | 16.7mm | Width of annular groove |
K | 9.0mm | Diameter lubrication hole |
r1,2 | 2.0mm | Chamfer dimension outer ring |
r3,4 | 13.6mm | Chamfer dimension inner ring |
u03b1 | 20.0u00b0 | Chamfer angle inner ring |
s | 2.7mm | Permissible axial displacement from the normal position of one bearing ring relative to the other |
Abutment dimensions
da | 420.0mm | Abutment diameter spacer sleeve |
da | 438.0mm | Abutment diameter spacer sleeve |
db | 450.0mm | Abutment diameter shaft |
Da | 550.0mm | Abutment diameter spacer sleeve / housing |
ra | 1.5mm | Fillet radius |
rb | 2.0mm | Fillet radius |
Calculation data
Basic dynamic load rating | C | 3140.0kN |
Basic static load rating | C0 | 7800.0kN |
Fatigue load limit | Pu | 655.0kN |
Reference speed | 800.0r/min | |
Limiting speed | 1200.0r/min | |
Calculation factor | kr | 0.33 |
Mass
Mass bearing | 160.0kg |