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238/710-K-MB
Spherical Roller Bearing
Spherical roller bearing 238..-K-MB, symmetric 3 ribs
Replaces
238/710K.MB, 238/710SK.MB
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 710 mm | Bore diameter |
D | 870 mm | Outside diameter |
B | 118 mm | Width |
Cr | 2,650,000 N | Basic dynamic load rating, radial |
C0r | 7,500,000 N | Basic static load rating, radial |
Cur | 550,000 N | Fatigue load limit, radial |
nG | 770 1/min | Limiting speed |
nϑr | 355 1/min | Reference speed |
≈m | 142.5 kg | Weight |
Mounting dimensions
da min | 724.6 mm | Minimum diameter shaft shoulder |
Da max | 855.4 mm | Maximum diameter of housing shoulder |
ra max | 3 mm | Maximum recess radius |
Dimensions
rmin | 4 mm | Minimum chamfer dimension |
D1 | 824.9 mm | Bore diameter outer ring |
ds | 8 mm | Diameter lubrication hole |
ns | 15 mm | Width of lubricating groove |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |
Calculation factors
e | 0.12 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y1 | 5.72 | Dynamic axial load factor |
Y2 | 8.51 | Dynamic axial load factor |
Y0 | 5.59 | Static axial load factor |