81256-M
Axial cylindrical roller bearing
Axial cylindrical roller bearing 812..-M, single row
Replaces
812 56 M
Description
Metric
Imperial
Main Dimensions & Performance Data
| d | 280 mm | Bore diameter |
| D | 380 mm | Outside diameter |
| T | 80 mm | Height |
| Ca | 1,470,000 N | Basic dynamic load rating, axial |
| C0a | 5,600,000 N | Basic static load rating, axial |
| Cua | 495,000 N | Fatigue load limit, axial |
| nG | 870 1/min | Limiting speed |
| nϑr | 295 1/min | Reference speed |
| ≈m | 30.13 kg | Weight |
Mounting dimensions
| da min | 373 mm | Minimum diameter shaft shoulder |
| Da max | 300 mm | Maximum diameter of housing shoulder |
| ra max | 2.1 mm | Maximum recess radius |
Dimensions
| D1 | 284 mm | Bore diameter housing washer |
| d1 | 375 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
| K81256-M | Axial roller and cage assembly | |
| GS81256 | Housing Washer | |
| WS81256 | Shaft washer |
Your current product variant
| Cage | M | Brass Cage |
Characteristics
