| model | 2311 K |
| Bearing Type | Ball |
| Load Direction | Radial |
| Structure | Double row |
| Seal Type | Open |
| Inside Diameter | 55 mm |
| Inner Diameter Tolerance | -0.015mm to 0 |
| Outer Diameter | 120 mm |
| Outer Diameter Tolerance | -0.015mm to 0 |
| Width | 43 mm |
| Width Tolerance | -0.15mm to 0 |
| Inner ring shoulder diameter | 72 mm |
| Outer ring shoulder diameter | 101 mm |
| Chamfer Size | 2 mm |
| Ferrule Material | 51200 Chrome steel |
| Ball Material | 51200 Chrome steel |
| Cage Material | PA66 Nylon |
| Dynamic Radial Load | 76.1 kN |
| Static Radial Load | 24 kN |
| Max Speed(X1000 rpm) | 7.5 |
| Lubricant | Lubricant Added |
| Temperature Range | -30° to 110 °C |
| RoHS Standard | Conform |
| REACH Standard | Conform |
| Weight | 2 kg |