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United States
22:19:59 GMT+0000 (Coordinated Universal Time)
23956-K-MB-C5
Spherical Roller Bearing
Spherical roller bearing 239..-K-MB, symmetric 3 ribs
Product information
Metric
Imperial
Main Dimensions & Performance Data
| d | 280 mm | Bore diameter |
| D | 380 mm | Outside diameter |
| B | 75 mm | Width |
| Cr | 970,000 N | Basic dynamic load rating, radial |
| C0r | 2,040,000 N | Basic static load rating, radial |
| Cur | 133,000 N | Fatigue load limit, radial |
| nG | 2,000 1/min | Limiting speed |
| nϑr | 1,100 1/min | Reference speed |
| ≈m | 23.9 kg | Weight |
Mounting dimensions
| da min | 290.2 mm | Minimum diameter shaft shoulder |
| Da max | 369.8 mm | Maximum diameter of housing shoulder |
| ra max | 2.1 mm | Maximum recess radius |
| da max | 303 mm | Maximum diameter of shaft shoulder |
| db min | 290 mm | Minimum cavity diameter of the sleeve |
| Ba min | 12 mm | Minimum cavity width of the sleeve |
Dimensions
| rmin | 2.1 mm | Minimum chamfer dimension |
| D1 | 350 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 | 0.18 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y1 | 3.76 | Dynamic axial load factor |
| Y2 | 5.59 | Dynamic axial load factor |
| Y0 | 3.67 | Static axial load factor |
Additional information
H3956 | Adapter sleeve | |
AH3956G | Withdrawal sleeve |
Downloads:
Your current product variant
| Bore type | K | Tapered, taper 1:12 |
| Cage | MB | Solid brass cage |
| Radial internal clearance | C5 (Group 5) | Internal clearance larger than C4 |
| Relubrication feature | Standard |
Characteristics
