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230/850-B-K-MB
Spherical Roller Bearing
Spherical roller bearing 230..-B-K-MB, symmetric 3 ribs
Replaces
230/850BK.MB


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 |
Your current product variant
Design | B | With fixed central rib |
Bore type | K | Tapered, taper 1:12 |
Cage | MB | Solid brass cage |
Radial internal clearance | CN (Group N) | Normal internal clearance |
Relubrication feature | Standard |
Characteristics
Operating conditions for bearing 230/850-B-K-MB
In work for 230/850-B-K-MB
CO₂e caused by friction during operation
Comprehensive information with immediate calculations of the CO2e emissions of our rotative products in various application scenarios.

Load
*MandatoryMotion Influences
*Mandatory Preset calculation parameters
Arcanol MULTI2
Greasenormal cleanliness
Contamination70°C
Operating Temperature20°C
Ambient Temperature Choose your calculations
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CO₂e emissions
For Production info_outline
Rating life
Total Rating Life (Lh10)
-
Static safety (S0)
-
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