Description
Metric
Imperial
Main Dimensions & Performance Data
d | 170 mm | Bore diameter |
D | 310 mm | Outside diameter |
B | 86 mm | Width |
Cr | 1,320,000 N | Basic dynamic load rating, radial |
C0r | 1,570,000 N | Basic static load rating, radial |
Cur | 144,000 N | Fatigue load limit, radial |
nG | 2,550 1/min | Limiting speed |
nϑr | 1,780 1/min | Reference speed |
≈m | 27.55 kg | Weight |
Mounting dimensions
da min | 187 mm | Minimum diameter shaft shoulder |
Da max | 293 mm | Maximum diameter of housing shoulder |
ra max | 3 mm | Maximum recess radius |
Dimensions
rmin | 4 mm | Minimum chamfer dimension |
D1 | 275.4 mm | Bore diameter outer ring |
d2 | 199.8 mm | Raceway diameter of the inner ring |
ds | 9.5 mm | Diameter lubrication hole |
ns | 17.7 mm | Width of lubricating groove |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |
Calculation factors
e | 0.26 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y1 | 2.6 | Dynamic axial load factor |
Y2 | 3.87 | Dynamic axial load factor |
Y0 | 2.54 | Static axial load factor |
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Your current product variant
Design | E1A | without central rip |
Bore type | Z | Cylindrical |
Cage | M | Brass Cage |
Radial internal clearance | C4 | Group 4 (C4) |
Relubrication feature | Standard |
Characteristics