688 Bearing Series
Deep groove ball bearing — multiple seal variants available
Dimensions by Execution
Diagram shows the 2RS execution.
Bore (d)
8 mm
Outer Diameter (D)
16 mm
Width (B)
4–5 mm
Width differs by execution: B = 4–5 mm. Open executions are narrower than shielded or sealed ones — check the matching row in the variant table below before ordering.
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 |
|---|---|---|---|---|---|
| 6882RS | 2RS | 8×16×5 | — | — | View Details → |
| 688ZZ | ZZ | 8×16×5 | 36,000 rpm | — | View Details → |
| 688RS | RS | 8×16×5 | — | 43,000 rpm | View Details → |
| 688RZ | RZ | 8×16×5 | 36,000 rpm | 43,000 rpm | View Details → |
| 6882RZ | 2RZ | 8×16×5 | 36,000 rpm | — | View Details → |
| 688open | Open | 8×16×4 | 36,000 rpm | 43,000 rpm | View Details → |
| 688Z | Z | 8×16×5 | 36,000 rpm | 43,000 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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