| 638-2Z Miniature Ball Bearing (ID x OD x W) | ||
| Inner Diameter (ID) | Outer Diameter (OD) | Width (W) |
| 8 mm | 28 mm | 9 mm |
| Raceway Ring Shape | Ball | Inner/Outer Ring Material | Steel |
| End Type | Shield on both sides | Outer Ring Type | Flat |
| Precision (JIS) | Grade 0 | Inner Diameter | 8 mm |
| Outer Diameter | 28 mm | Width | 9 mm |
| Dynamic Load Rating | 3.97 kN | Static Load Rating | 1.96 kN |
| Fatigue Load Limit | 0.083 kN | Reference Speed | 67 000 rpm |
| Limiting Speed | 67 000 rpm | Bearing Clearance | CN |
| Max Temperature | 120 °C | Min Temperature | -40 °C |
| Number of Raceway | Single Row | Size Standard | Metric System |
| Cage Material | Steel | Specifications / Environment | Standard |
| Mass | 0.027 kg |
Malaysia
