| Part Number | K 81256 M |
| System of Measurement | Metric |
| Roller Bearing Type | Cylindrical |
| Bearing Type | Roller |
| For Load Direction | Thrust |
| Number of Rows | 1 |
| Bore Dia | 280 mm |
| Bore Dia Tolerance | +0.11mm to +0.43mm |
| Outer Dia | 380 mm |
| Outer Dia Tolerance | -1.35mm to -2.24mm |
| Diameter Roller | 32 mm |
| Raceway Diameter (min.) Roller And Cage Thrust Assembly | 301 mm |
| Raceway Diameter (max.) Roller And Cage Thrust Assembly | 371 mm |
| Roller Material | Chrome Steel |
| Cage Material | Machined brass cage |
| Dynamic Radial Load | 261000 lbf |
| Static Radial Load | 1237500 lbf |
| Max Speed (X1000 rpm) | 0.8 |
| Temperature Range | -30° to 110 °C |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 11.5 kg |
| Shaft Washer | WS 81256 |
| Housing Washer | GS 81256 |
