210NR/C3
200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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210NR/C3 Bearing Product Overview & Core Advantages
The 210NR/C3 is a single row deep groove ball bearing designed for robust performance in industrial applications. This metric bearing features an open design and is manufactured to ABEC 1 | ISO P0 tolerance class, ensuring reliable operation and interchangeability. A key structural feature is the snap ring fitted on the outer ring, which provides secure axial location within the housing, simplifying assembly and reducing the need for complex housing designs. The C3 radial internal clearance makes it particularly suitable for applications with elevated operational temperatures or where interference fits are used, preventing excessive preload and ensuring smooth running.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 210 | Basic bearing series designation. |
| NR | Signifies a snap ring groove on the outer ring. This feature aids in axial positioning. |
| C3 | Indicates a greater than normal radial internal clearance. This is optimal for applications with thermal expansion or tight fits. |
210NR/C3 Bearing Structural Features & Performance Benefits
- Snap Ring Groove (NR): The integrated snap ring groove on the outer ring provides a positive axial locating feature, enhancing mounting stability and simplifying housing design by eliminating the need for complex end caps or shoulders.
- Open Seal Type: The open construction allows for easy re-lubrication and is ideal for high-speed applications or environments where sealing is handled externally.
- C3 Radial Clearance: The greater internal clearance accommodates dimensional changes from interference fits and thermal expansion, preventing binding and reducing friction, which contributes to a longer bearing service life.
- High-Grade Materials: Constructed entirely from chrome steel for rings, balls, and cage, this bearing offers high strength, durability, and consistent performance under the specified radial dynamic and static load ratings.
210NR/C3 Bearing Typical Application Areas
- Electric Motors and Gearboxes
- Agricultural Machinery
- Material Handling Conveyors
- Industrial Fans and Blowers
- General machinery requiring a reliable radial ball bearing with secure axial location.
