Technical Drawing
Technical Specifications
| Bore (d) | 12 mm |
| Outer Diameter (D) | 37 mm |
| Width (B) | 12 mm |
| Dynamic Load (C) | 9.8 kN |
| Static Load (C₀) | 4.2 kN |
| Limiting Speed (Grease) | 20,000 rpm |
| Limiting Speed (Oil) | Please contact sales for confirmationPending confirmation |
| Internal Clearance | C0 |
| Material | GCr15 |
| Precision Grade | P0 |
Seal Design Notes
- Seal construction
- RZ sealing rings made of nitrile rubber (NBR) on both sides.
- What it shields
- The rings help limit contaminant entry and grease escape on both sides. A water-resistance rating and contact geometry are not specified in the factory table.
- Effect on speed
- The listed grease-lubricated limiting speed is 100% of the open version for the same base model. Check that model-specific limit against the intended operating speed.
- Lubrication
- The factory table specifies grease lubrication and provides no oil-lubricated limiting speed. Obtain confirmation before selecting this version for an oil-lubricated system.
- When to choose it
- Consider 2RZ when a grease-lubricated assembly needs NBR rings on both sides while retaining the listed open-version grease speed. Confirm protection and grease-life requirements.
Key Features
- Standard dimensions: 12mm bore × 37mm OD × 12mm width
- Double rubber seal for contamination protection
- Dynamic load rating: 9.8kN | Static load rating: 4.2kN
- Grease speed limit: 20,000 r/min | Oil speed limit: - r/min
- Bearing steel, internal clearance and precision grade pending
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