81252-M
Axial cylindrical roller bearing
Axial cylindrical roller bearing 812..-M, single row
Replaces
812 52 M
Description
Metric
Imperial
Main Dimensions & Performance Data
| d | 260 mm | Bore diameter |
| D | 360 mm | Outside diameter |
| T | 79 mm | Height |
| Ca | 1,450,000 N | Basic dynamic load rating, axial |
| C0a | 5,400,000 N | Basic static load rating, axial |
| Cua | 485,000 N | Fatigue load limit, axial |
| nG | 930 1/min | Limiting speed |
| nϑr | 310 1/min | Reference speed |
| ≈m | 25.99 kg | Weight |
Mounting dimensions
| da min | 353 mm | Minimum diameter shaft shoulder |
| Da max | 280 mm | Maximum diameter of housing shoulder |
| ra max | 2.1 mm | Maximum recess radius |
Dimensions
| D1 | 264 mm | Bore diameter housing washer |
| d1 | 355 mm | Rip diameter shaft washer |
| rmin | 2.1 mm | Minimum chamfer dimension |
Temperature range
| Tmin | 120 °C | Operating temperature min. |
| Tmax | -30 °C | Operating temperature max. |
Additional information
| K81252-M | Axial roller and cage assembly | |
| GS81252 | Housing Washer | |
| WS81252 | Shaft washer |
