| model | NK30/20-TW-XL |
| Metering system | Metric system |
| Bearing Type | Roller |
| Roller Bearing Type | acicular |
| Load Direction | Radial |
| Structure | Double row |
| Seal Type | Open |
| Inner ring | None |
| series | No inner ring |
| Inside Diameter | 30 mm |
| Inner Diameter Tolerance | 0.02mm to 0.033mm |
| Outer Diameter | 40 mm |
| Outer Diameter Tolerance | -0.011mm to 0 |
| Width | 20 mm |
| Width Tolerance | -0.12mm to 0 |
| Chamfer Size | 0.3mm |
| Ferrule Material | steel |
| Cage Material | Plastic |
| Roller material | steel |
| Dynamic Radial Load | 6182 lbf |
| Static Radial Load | 7981 lbf |
| Max Speed(X1000 rpm) | 14.8 |
| Lubricant | Lubricant Added |
| Installation Method | Push-in |
| Temperature Range | -20 to 110 °C |
| RoHS Standard | Conform |
| Weight | 61 g |