638 Bearing Series
Deep groove ball bearing — multiple seal variants available
Common Dimensions
Bore (d)
8 mm
Outer Diameter (D)
28 mm
Width (B)
9 mm
Dimension series follows ISO 15 / DIN 625. Values are taken from the factory's parameter table.
Available Variants
| Model | Seal Type | d×D×B | Grease Speed | Oil Speed | Action |
|---|---|---|---|---|---|
| 6382RS | 2RS | 8×28×9 | 20,000 rpm | — | View Details → |
| 638ZZ | ZZ | 8×28×9 | 28,000 rpm | — | View Details → |
| 638RS | RS | 8×28×9 | 20,000 rpm | 34,000 rpm | View Details → |
| 638RZ | RZ | 8×28×9 | 28,000 rpm | 34,000 rpm | View Details → |
| 6382RZ | 2RZ | 8×28×9 | 28,000 rpm | — | View Details → |
| 638open | Open | 8×28×9 | 28,000 rpm | 34,000 rpm | View Details → |
| 638Z | Z | 8×28×9 | 28,000 rpm | 34,000 rpm | View Details → |
Related specifications notes
Typical Applications
- Electric motors and generators
- Water pumps and fluid handling systems
- Agricultural machinery
- Home appliances
- General industrial applications
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