Technical Drawing
Technical Specifications
| Bore (d) | 8 mm |
| Outer Diameter (D) | 28 mm |
| Width (B) | 9 mm |
| Dynamic Load (C) | 4.59 kN |
| Static Load (C₀) | 1.98 kN |
| Limiting Speed (Grease) | 28,000 rpm |
| Limiting Speed (Oil) | Please contact sales for confirmationPending confirmation |
| Internal Clearance | C0 |
| Material | GCr15 |
| Precision Grade | P0 |
Seal Design Notes
- Seal construction
- Metal shields on both sides. No rubber sealing-ring material is specified.
- What it shields
- The shields help limit dust entry and grease escape on both sides. They should not be treated as a specified water barrier.
- Effect on speed
- The listed grease-lubricated limiting speed is 100% of the open version for the same base model. Select against the actual speed in the specification table.
- Lubrication
- The factory table specifies grease lubrication and provides no oil-lubricated limiting speed. Confirm suitability with GDQV before specifying an oil-lubricated arrangement.
- When to choose it
- Consider ZZ for a grease-lubricated assembly needing shields on both sides. Confirm grease life and maintenance requirements for the operating conditions.
Key Features
- Standard dimensions: 8mm bore × 28mm OD × 9mm width
- Double metal shield for contamination protection
- Dynamic load rating: 4.59kN | Static load rating: 1.98kN
- Grease speed limit: 28,000 r/min | Oil speed limit: - r/min
- Bearing steel, internal clearance and precision grade pending
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