| Bearing number | 639HZZ |
| Size (mm) | 9x30x10 |
| Bore Diameter (mm) | 9 |
| Outer Diameter (mm) | 30 |
| Width (mm) | 10 |
| Bearing Type | Shielded |
| Bore Dia (d) | 9.0000 |
| Outer Dia (D) | 30.0000 |
| Width (B) | 10.0000 |
| Radius (min) (rs) | 0.600 |
| Dynamic Load Rating (Cr) | 3,960 |
| Static Load Rating (Cor) | 1,664 |
| Max Speed (Grease) (X1000 RPM) | 24 |
| Max Speed (Oil) (X1000 RPM) | 30 |
| Max. Shaft Shoulder Dia. Inner (Ui) | 15.3 |
| Min. Housing Shoulder Dia., Outer (Uo) | 25.280 |
| Ball Qty | 7 |
| Ball Dia (Dw) | 4.7620 |
| Weight (g) | 37.10 |
| Precision | A1 |
| Standard Clearance | K25 |
| Material | Martensitic Stainless Steel |
