6212-ZNBR/C3
6200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6212-ZNBR/C3 Bearing Product Overview & Core Advantages
The 6212-ZNBR/C3 is a single row deep groove ball bearing designed for exceptional performance in demanding industrial applications. This metric bearing features a shielded design for contaminant protection and is engineered to primarily handle radial loads with high efficiency. Its key advantages include a generous C3 radial internal clearance for applications involving thermal expansion, a snap ring groove for secure axial location, and compliance with ABEC 1 | ISO P0 tolerance standards for reliable, consistent operation. This combination makes it a robust and versatile choice for a wide range of machinery.
6212-ZNBR/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| Z | A shield on one side of the bearing, providing protection against large solid contaminants while maintaining low friction. |
| N | A snap ring groove on the outer ring, enabling secure and simplified axial location within a housing. |
| BR | Indicates the bearing is supplied with no lubrication (None), allowing for the use of specialized or application-specific lubricants. |
| C3 | A greater than normal radial internal clearance. This is critical for applications with significant temperature gradients or where fits cause a reduction in operational clearance. |
6212-ZNBR/C3 Bearing Structural Features & Performance Benefits
- Robust Construction & High Load Capacity: Manufactured entirely from chrome steel for the rings, balls, and cage, this bearing offers high strength and durability. With a radial dynamic load rating of 1178 lbf and a static load rating of 8138 lbf, it is built to withstand significant radial forces in continuous operation.
- Optimized for Thermal Stability: The C3 clearance is a key performance feature, preventing bearing seizure and reducing friction losses in applications where operational heat leads to expansion of the inner ring and shaft.
- Simplified Installation & Sealing: The inclusion of a snap ring groove on the outer ring simplifies housing design and ensures secure axial positioning. The non-contact shield provides effective protection against coarse contaminants while minimizing torque and heat generation compared to contact seals.
- Versatile Lubrication Options: Supplied without grease (None), this bearing provides the flexibility for engineers to apply a lubricant that is perfectly matched to the specific speed, temperature, and environmental conditions of the application.
6212-ZNBR/C3 Bearing Typical Application Areas
The 6212-ZNBR/C3 is ideally suited for a variety of industrial applications where reliable radial load support, secure mounting, and accommodation for thermal expansion are required. Key sectors include:
- Electric Motors and Generators
- Industrial Gearboxes
- Material Handling Conveyors
- Agricultural Machinery
- Pumps and Fans
