| model | HJ 310 EC |
| Metering system | Metric system |
| Inside Diameter | 50 mm |
| Inner Diameter Tolerance | -0.15mm to 0 |
| Outer Diameter | 71.4 mm |
| Outer Diameter Tolerance | -0.013mm to 0 |
| Width Contacting Inner Ring Side Face | 8 mm |
| Width | 13 mm |
| Width Tolerance | -0.12mm to 0 |
| Chamfer length Radial (angle ring)(r3,4)(min) | 2 mm |
| Temperature Range | -30° to 110 °C |
| Material | 51200 Chrome steel |
| RoHS Standard | Conform |
| REACH Standard | Conform |
| Weight | 0.15 kg |