| Model | 21306 CC |
| Metering system | Metric |
| Bearing type | Roller |
| Roller bearing type | Ball shaped |
| Aperture type | Straight |
| Load direction | Radial force and axial force |
| Structure | Double column |
| Seal type | Open |
| Inside diameter | 30 mm |
| Inside diameter tolerance | -0.01mm to 0 |
| Outer diameter | 72 mm |
| Outer diameter tolerance | -0.013mm to 0 |
| Height | 19 mm |
| Height tolerance | -0.06mm to 0 |
| Inner ring shoulder diameter | 43.3 mm |
| Outer ring shoulder diameter | 58.8 mm |
| Chamfer size | min.1.1 mm |
| Ferrule material | 52100 Chrome steel |
| Roller material | 52100 Chrome steel |
| Cage material | Steel |
| dynamic radial load | 1477 lbf |
| Static radial load | 13713 lbf |
| Maximum speed (X1000 rpm) | 10 |
| Lubricant | Lubricant added |
| temperature range | -30° to 200 °C |
| clearance range | Standard (applicable to C3/C4/C5) |
| RoHS standard | Conform |
| REACH standard | Conform |
| Weight | 0.41 kg |
