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08:45:02 GMT+0000 (Coordinated Universal Time)
23980-B-MB-C3
Spherical Roller Bearing
Spherical roller bearing 239..-B-MB, symmetric 3 ribs
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 400 mm | Bore diameter |
D | 540 mm | Outside diameter |
B | 106 mm | Width |
Cr | 1,830,000 N | Basic dynamic load rating, radial |
C0r | 4,150,000 N | Basic static load rating, radial |
Cur | 280,000 N | Fatigue load limit, radial |
nG | 1,290 1/min | Limiting speed |
nϑr | 710 1/min | Reference speed |
≈m | 71.58 kg | Weight |
Mounting dimensions
da min | 414.6 mm | Minimum diameter shaft shoulder |
Da max | 525.4 mm | Maximum diameter of housing shoulder |
ra max | 3 mm | Maximum recess radius |
Dimensions
rmin | 4 mm | Minimum chamfer dimension |
D1 | 499 mm | Bore diameter outer 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 | 0.18 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y1 | 3.71 | Dynamic axial load factor |
Y2 | 5.52 | Dynamic axial load factor |
Y0 | 3.63 | Static axial load factor |
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Design | B | with fixed central rib |
Bore type | Z | Cylindrical |
Cage | MB | Solid brass cage |
Radial internal clearance | C3 (Group 3) | Internal clearance larger than CN |
Relubrication feature | Standard |
Characteristics