210-2ZNR
200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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210-2ZNR Bearing Product Overview & Core Advantages
The 210-2ZNR is a single row deep groove ball bearing engineered for exceptional radial load capacity and reliable performance in demanding applications. This shielded bearing features an integral snap ring on its outer ring, enabling simplified axial location within a housing. Manufactured from chrome steel with a stainless steel cage, it offers robust durability and consistent operation. Pre-lubricated with grease, the 210-2ZNR is a ready-to-install component, ideal for applications requiring maintenance-free operation and high reliability.
210-2ZNR Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Benefit |
|---|---|---|
| 2Z | Non-contact shields on both sides | Provides effective protection against contamination while maintaining high-speed capability. |
| NR | Snap ring groove and snap ring on the outer ring | Simplifies axial positioning and secure mounting in the housing, reducing assembly complexity and cost. |
210-2ZNR Bearing Structural Features & Performance Benefits
- Optimized Radial Load Capacity: The deep groove raceway and precision-ground chrome steel components are designed to handle significant radial dynamic and static loads (8790 lbf / 7756 lbf), ensuring long service life.
- Simplified Assembly with Snap Ring: The integrated snap ring (outer ring locating feature) allows for secure axial fixation without the need for complex housing shoulders or end caps, streamlining the design and installation process.
- Contamination Protection & Maintenance-Free Operation: The non-contact shields (2Z) effectively seal the bearing from dust and debris, while the factory-applied grease lubrication provides long-term, maintenance-free operation within a wide temperature range (-30° to 120 °C).
- Stable High-Speed Performance: The combination of a lightweight stainless steel cage, optimized internal geometry, and effective shielding contributes to a high limiting speed of 6,400 rpm.
210-2ZNR Bearing Typical Application Areas
The 210-2ZNR is widely used in various industrial sectors due to its robust design and ease of installation. Key applications include:
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (e.g., conveyor rollers)
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)
