212-ZNBRJ
200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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212-ZNBRJ Bearing Product Overview & Core Advantages
The 212-ZNBRJ is a single row deep groove ball bearing engineered for high-performance applications requiring reliable radial load capacity and operational stability. Its shielded design provides effective contamination protection while maintaining low friction. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing delivers consistent precision and is ideal for applications demanding high rotational speeds up to 6,700 rpm. The inclusion of a snap ring groove on the outer ring facilitates secure mounting and simplifies installation in housing assemblies.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 212 | Basic bearing series designation indicating size and type |
| Z | Single side shielded for basic contaminant protection |
| N | Snap ring groove on outer ring for axial positioning |
| BR | Brass cage construction for enhanced durability |
| J | Steel ball specification for standard applications |
212-ZNBRJ Bearing Structural Features & Performance Benefits
Optimized Load Distribution: The single row deep groove raceway geometry enables efficient handling of radial loads up to 12,612 lbf dynamic capacity, while also accommodating moderate axial loads in both directions.
Enhanced Operational Stability: The brass cage (BR) ensures precise ball guidance and maintains structural integrity at high speeds, contributing to the bearing's limiting speed of 6,700 rpm.
Simplified Installation & Maintenance: The snap ring groove (N) feature allows for secure axial positioning without additional components, reducing assembly complexity. The shielded design (Z) provides fundamental protection against contaminants while requiring no relubrication.
Precision Engineering: Manufactured to ABEC 1 | ISO P0 tolerance class with CN radial clearance, this bearing delivers consistent performance and extended service life in various operating conditions.
212-ZNBRJ Bearing Typical Application Areas
- Electric Motors and industrial drives requiring reliable high-speed operation
- Gearboxes and transmission systems where radial load capacity is critical
- Pump Systems and fluid handling equipment demanding contamination protection
- Material Handling Equipment utilizing snap ring mounting for simplified assembly
- Industrial Fans and blowers operating at moderate to high rotational speeds
