| Bearing Type | Ball |
| For Load Direction | Radial |
| Construction | Single Row |
| Seal Type | Open |
| Part Number | S634 |
| For Shaft Diameter | 4mm |
| Bore Dia (d) | 4mm |
| Bore Dia Tolerance | -0.008mm to 0 |
| For Housing ID | 16mm |
| Outer Dia (D) | 16mm |
| Outer Dia Tolerance | -0.008mm to 0 |
| Width (B) | 5mm |
| Width Tolerance | -0.120mm to 0 |
| Ring Material | 440C Stainless Steel |
| Ball Material | 440C Stainless Steel |
| Cage Material | 304 Stainless Steel |
| Seals Material | / |
| Dynamic radial (Newtons) | 1025.1 |
| Static radial (Newtons) | 376.2 |
| Max Speed (X1000 RPM) | 38.7 |
| Lubrication | Required |
| Shaft Mount Type | Press Fit |
| Temperature Range | -30° to 110 °C |
| ABEC Rating | ABEC-1 |
| Radial Clearance Trade No. | C0 |
| Radial Clearance | 0.003mm to 0.018mm |
| RoHS | Compliant |
| Weight (g) | 5.24 |
