Specifications of SKF Bearing NNF 5056 B-2LS
Dimensions
d | 280.0mm | Bore diameter |
D | 420.0mm | Outside diameter |
B | 190.0mm | Width |
C | 189.0mm | Outer ring width (sealed bearing) |
d1 | 333.0mm | Shoulder diameter inner ring |
D3 | 413.0mm | Snap ring groove diameter at outer ring |
C1 | 163.2mm | Distance between two snap ring grooves of the outer ring outside surface |
Tolerance for distance C1 | 0.2mm | |
C2 | 12.9mm | Distance outer ring side face – snap ring groove (sealed bearing) |
b | 7.3mm | Width snap ring groove outer ring |
b1 | 9.5mm | Width annular lubrication groove outer ring |
K | 6.0mm | Diameter lubrication hole (outer ring) |
r | 2.0mm | Chamfer dimension (sealed bearing) |
r3,4 | 1.1mm | Chamfer dimension |
Abutment dimensions
da | 288.0mm | Abutment diameter shaft |
das | 324.0mm | Abutment diameter shaft |
Ca1 | 154.0mm | Abutment width applying for SW snap rings (sealed brg.) |
Tolerance for abutment Ca (SW snap rings) | 0.2mm | |
Ca2 | 149.0mm | Abutment width applying for DIN 471 snap rings (sealed brg.) |
Tolerance for abutment Ca (DIN 471 snap rings) | 0.2mm | |
ra | 2.0mm | Fillet radius |
Calculation data
Basic dynamic load rating | C | 2550.0kN |
Basic static load rating | C0 | 5000.0kN |
Fatigue load limit | Pu | 490.0kN |
Limiting speed | 280.0r/min | |
Calculation factor | kr | 0.4 |
Mass
Mass bearing | 91.0kg |
Associated products
Snap ring Seeger | SW 420 |
Snap ring in accordance with DIN 471 | 420×7 |