- Radial Deep Groove Bearing Type
- 4 mm Inner Diameter
- 9 mm Outer Diameter
- 4 mm Width
| Series | 638 |
| Seal Type | Non-Contacting Seal |
| Rows of Balls | Single |
| O.D. Type | Cylindrical |
| Inch/Metric | Metric |
| Cage Material | Stainless Steel |
| I.D. | 4 mm |
| Width | 0.16 in, 4 mm |
| Bore Type | Cylindrical |
| Seal Material | Stainless Steel |
| Bearing Type | Radial Deep Groove |
| Lubricant | Grease |
| O.D. | 9 mm |
| Enclosure | Shield On Both Sides |
| Outer Ring Width | 0.16 in, 4 mm |
| Material | Stainless Steel |
| Inner Ring Width | 0.16 in, 4 mm |
| Weight | 0.007 LB |
| EAN or UPC | 7316570739688 |

