688open
6800 SeriesOpenGDQV 688open deep groove ball bearing, 8×16×4mm, open type (no seal or shield), for special applications requiring frequent maintenance. Rated dynamic load 1.33kN, rated static load 0.65kN. Typical applications: Automotive.
Technical Drawing
Technical Specifications
| Bore (d) | 8 mm |
| Outer Diameter (D) | 16 mm |
| Width (B) | 4 mm |
| Dynamic Load (C) | 1.33 kN |
| Static Load (C₀) | 0.65 kN |
| Limiting Speed (Grease) | 36,000 rpm |
| Limiting Speed (Oil) | 43,000 rpm |
| Internal Clearance | C0 |
| Material | GCr15 |
| Precision Grade | P0 |
Related specifications notes
Seal Design Notes
- Seal construction
- Open bearing, with no integral seal or shield on either side.
- What it shields
- The bearing has no integral barrier against dust or water, or to retain grease. Protection and lubricant retention depend on the surrounding assembly.
- Effect on speed
- The open version provides the baseline grease-lubricated limiting speed for this base model. Use the speed listed in the specification table when selecting the bearing.
- Lubrication
- The factory table lists both grease and oil lubrication, with separate limiting speeds. Use the rating for the intended lubrication method.
- When to choose it
- Consider this version when the housing provides contamination control and the assembly supplies and retains the required lubricant.
Key Features
- Standard dimensions: 8mm bore × 16mm OD × 4mm width
- Open type for contamination protection
- Dynamic load rating: 1.33kN | Static load rating: 0.65kN
- Grease speed limit: 36,000 r/min | Oil speed limit: 43,000 r/min
- Material: GCr15 | Internal clearance: C0 | Precision grade: P0
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Dynamic Load (C)6.6 kN
Limiting Speed (Grease)5,300 r/min
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