210NRJ
200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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210NRJ Bearing Product Overview & Core Advantages
The 210NRJ is a single row deep groove ball bearing designed for high-performance industrial applications requiring reliable radial load capacity. Featuring an open design and manufactured to ABEC 1 | ISO P0 precision tolerance, this bearing offers a robust solution for general machinery. A key distinguishing feature is the snap ring fitted on the outer ring, which provides secure axial location within the housing, simplifying assembly and enhancing operational stability. Constructed entirely from chrome steel, it delivers consistent performance across a wide temperature range from -30°C to 120°C.
210NRJ Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 210 | Basic Bearing Number | Defines the standard boundary dimensions: 50mm bore, 90mm OD, 20mm width. |
| NR | Snap Ring Groove | Indicates the outer ring has a groove to accommodate a snap ring for axial retention. |
| J | Pressed Steel Cage | Specifies the use of a pressed steel cage, offering high strength and suitability for a wide range of operating conditions. |
210NRJ Bearing Structural Features & Performance Benefits
- Secure Axial Location: The integrated snap ring groove on the outer ring eliminates the need for complex housing shoulders or end caps, ensuring the bearing remains correctly positioned under vibration or axial shifts.
- Optimized Radial Load Capacity: The single row deep groove construction is engineered to handle significant radial dynamic load ratings of 8790 lbf, making it ideal for applications with substantial radial forces.
- Precision & Consistency: Manufactured to ABEC 1 (ISO P0) tolerance class with a CN radial internal clearance, this bearing provides reliable, low-vibration operation, contributing to the smooth running of machinery.
- Robust Material Construction: All core components—rings, balls, and cage—are made from chrome steel, ensuring high durability, wear resistance, and a long service life under demanding conditions.
- High-Speed Capability: With a limiting speed of 8,000 rpm, the bearing is suitable for a variety of high-velocity applications, supported by its stable cage design.
210NRJ Bearing Typical Application Areas
The 210NRJ is widely used in industrial sectors where reliable radial support and easy axial fixation are paramount. Key applications include:
- Electric Motors and Generators
- Gearboxes and Power Transmission Systems
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- Industrial Fans and Blowers
