| Part Number | 63801ZZ |
| System of Measurement | Metric |
| Bearing Type | Ball |
| For Load Direction | Radial |
| Construction | Single Row |
| Seal Type | Shielded |
| Bore Dia | 12 mm |
| Bore Dia Tolerance | -0.008 to 0 mm |
| Outer Dia | 21 mm |
| Outer Dia Tolerance | -0.008 to 0 mm |
| Width | 7 mm |
| Width Tolerance | -0.12 to 0 mm |
| Ring Material | 52100 Chrome Steel |
| Ball Material | 52100 Chrome Steel |
| Cage Material | 300 Series Stainless Steel |
| Shield Material | 300 Series Stainless Steel |
| Dynamic Radial Load | 1902 N |
| Static Radial Load | 1040 N |
| Max Speed (X1000 rpm) | 30 |
| Lubrication | Pre-filled / Required |
| Shaft Mount Type | Press Fit |
| Temperature Range | -30 ℃ to 110 ℃ |
| ABEC Rating | ABEC-1 (ABEC 3/5/7 also available) |
| Radial Clearance Trade No. | C0 |
| Radial Clearance | 0.003 to 0.018 mm |
| RoHS | Compliant |
| REACH | Compliant |
| Ball Dia | 2.381 mm |
| Ball Qty | 12 |
| Weight | 8.5 g |
