208-2ZNR
200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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208-2ZNR Bearing Product Overview & Core Advantages
The 208-2ZNR is a single row deep groove ball bearing featuring integrated snap ring grooves and shielded protection. Engineered for radial load applications requiring precise axial positioning, this metric bearing delivers reliable performance in compact installations. Its P0 tolerance class and CN radial clearance ensure consistent operation while the stainless steel cage and pre-lubrication provide maintenance-free service across industrial environments.
Model Code Breakdown
| Suffix | Technical Meaning | Performance Benefit |
|---|---|---|
| 2Z | Double-sided steel shields | Effective contamination protection while maintaining low torque |
| NR | Snap ring groove on outer ring | Simplified axial positioning and housing design |
208-2ZNR Bearing Structural Features & Performance Benefits
Enhanced Rigidity & Load Capacity: The single row deep groove design with chrome steel components provides excellent radial load capacity (7554 lbf dynamic / 6070 lbf static), making it ideal for applications requiring stable rotational characteristics.
Precision Engineering: Manufactured to P0 tolerance class with controlled bore diameter (40 mm ±0.012mm) and outside diameter (80 mm ±0.013mm) ensures consistent performance and easy installation in precision assemblies.
Maintenance-Free Operation: The combination of double shields (2Z) and factory-applied grease lubrication creates a sealed environment that prevents lubricant leakage and contaminant ingress, extending service life without maintenance requirements.
Temperature Resilience: Operating range of -30°C to 120°C allows reliable performance across diverse industrial environments while maintaining dimensional stability.
208-2ZNR Bearing Typical Application Areas
- Electric Motors & Gearboxes: Where radial load support and compact design are critical
- Industrial Pumps & Compressors: Utilizing the snap ring positioning for simplified housing design
- Material Handling Equipment: Benefiting from the shielded construction in contaminated environments
- Agricultural Machinery: Where maintenance-free operation and reliability are essential
- Automotive Components: Including alternators, starters, and auxiliary systems requiring precision bearings
