211NRJ
200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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211NRJ Bearing Product Overview & Core Advantages
The 211NRJ is a single row deep groove ball bearing designed for high-performance radial load applications. This metric bearing features a snap ring groove on its outer ring, providing secure axial location and simplifying housing design. Manufactured to ABEC 1 | ISO P0 tolerance standards, it offers reliable precision for general industrial use. Its open design allows for versatile lubrication options, while the robust chrome steel construction ensures durability and a long service life under demanding conditions.
211NRJ Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| NR | Snap Ring Groove on Outer Ring | Enables secure axial positioning, reduces housing complexity and cost. |
| J | Pressed Steel Cage | Provides high strength and is suitable for high-speed applications. |
211NRJ Bearing Structural Features & Performance Benefits
- High Radial Load Capacity: The deep groove raceway and single row design are optimized to handle significant radial dynamic loads up to 10881 lbf, making it a robust choice for various machinery.
- Simplified Assembly with Snap Ring: The integrated snap ring (fitted) acts as an outer ring locating feature, eliminating the need for complex shoulder machining in the housing and ensuring stable axial positioning.
- Standard Precision & Clearance: Conforms to ABEC 1 (ISO P0) tolerance class with a standard CN radial internal clearance, guaranteeing consistent performance and interchangeability.
- Versatile Operating Range: The open seal type and chrome steel components allow for operation within a temperature range of -30°C to 120°C, accommodating a wide array of environmental conditions.
211NRJ Bearing Typical Application Areas
The 211NRJ bearing is ideally suited for applications requiring reliable radial support and simplified mounting. Common uses include:
- Electric Motors and Gearboxes
- Industrial Fans and Blowers
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- General Power Transmission Systems
