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21:23:47 GMT+0000 (Coordinated Universal Time)
230/850-B-K-MB
Spherical Roller Bearing
Spherical roller bearing 230..-B-K-MB, symmetric 3 ribs
Replaces
230/850BK.MB
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 850 mm | Bore diameter |
D | 1,220 mm | Outside diameter |
B | 272 mm | Width |
Cr | 10,300,000 N | Basic dynamic load rating, radial |
C0r | 23,800,000 N | Basic static load rating, radial |
Cur | 1,570,000 N | Fatigue load limit, radial |
nG | 490 1/min | Limiting speed |
nϑr | 255 1/min | Reference speed |
≈m | 1,025 kg | Weight |
Mounting dimensions
da min | 878 mm | Minimum diameter shaft shoulder |
Da max | 1,192 mm | Maximum diameter of housing shoulder |
ra max | 6 mm | Maximum recess radius |
Dimensions
rmin | 7.5 mm | Minimum chamfer dimension |
D1 | 1,113.5 mm | Bore diameter outer ring |
ds | 12.5 mm | Diameter lubrication hole |
ns | 23.5 mm | Width of lubricating groove |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |
Calculation factors
e | 0.21 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y1 | 3.24 | Dynamic axial load factor |
Y2 | 4.82 | Dynamic axial load factor |
Y0 | 3.16 | Static axial load factor |