| Type No. | Metric Bore Size | UC204R3 up to UC212R3 |
| Inch Bore Size | UC204-12R3 up to UC212-32R3 | |
| Materials | GCr15 Chrome Steel | |
| Precision | ABEC-3 | |
| Vibration & Noise | Z2V2 | |
| Working Temp. | -20 ºC up to 120 ºC , High Temp. | |
| Lubrication | GreatWall#2, SRL,PS2, B325, SRI#2, etc.. | |