Description
Metric
Imperial
Main Dimensions & Performance Data
d1 | 500 mm | Bore Diameter |
0.008 mm | Bore diameter upper tolerance | |
-0.032 mm | Bore diameter lower tolerance | |
Da | 620 mm | Outside Diameter |
0 mm | Outside diameter upper tolerance | |
-0.044 mm | Outside diameter lower tolerance | |
H | 56 mm | Height of the assembled bearing |
hi | 56 mm | heigth inner ring |
0.16 mm | Width upper tolerance | |
-0.16 mm | Width lower tolerance | |
≈m | 42.7 kg | Weight |
Dimensions
Di | 561.2 mm | Inner diameter outer ring |
DM | 560 mm | rolling element pitch circle diameter |
da | 558.8 mm | outer diameter inner ring |
h | 56 mm | height of individual ring |
0 mm | Height of individual ring upper tolerance | |
-0.05 mm | Height of individual ring lower tolerance | |
rmin | 3 mm | chamfer dimension |
S | 2.5 mm | diameter of lubrication hole |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 80 °C | Operating temperature max. |
Calculation factors
0.04 mm | Running accuracy, radial | |
0.01 mm | Running accuracy, axial | |
VSPmin | 0.005 mm | Minimum bearing preload |
VSPmax | 0.03 mm | Maximum bearing preload |
Ca | 550,000 N | Basic dynamic load rating, axial |
C0a | 2,470,000 N | Basic static load rating, axial |
Cr | 390,000 N | Basic dynamic load rating, radial (for radial load only) |
C0r | 1,210,000 N | Basic static load rating, radial (for radial load only) |
NG oil | 135 1/min | Limiting speed for oil lubrication with preload |
NG Grease | 65 1/min | Limiting speed for grease lubrication with preload |
618/500 | Dimensions identical to ISO dimension series 18 |