6214-ZNR
6200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6214-ZNR Bearing Product Overview & Core Advantages
The 6214-ZNR is a single row deep groove ball bearing designed for exceptional performance in demanding industrial applications. This metric bearing excels in handling radial loads with high efficiency and reliability. A key distinguishing feature is its integral snap ring on the outer ring, which simplifies axial location within a housing, reducing assembly complexity and cost. Manufactured with chrome steel rings and balls, and a stainless steel cage, it offers robust durability. The bearing is shielded and pre-lubricated with grease, providing effective contamination protection and making it a low-maintenance solution for a wide operating temperature range.
Model Code Breakdown
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 6214 | Standard bearing series designation, indicating a medium-duty, single row deep groove ball bearing with a 70mm bore, 125mm OD, and 24mm width. | Defines the core bearing dimensions and basic type. |
| Z | Denotes a shielded bearing on one side. | Protects the internal components from large particulate contaminants. |
| NR | Indicates the outer ring has a snap ring groove and a snap ring is fitted. | Enables secure axial location in the housing without the need for complex housing shoulders, simplifying design and assembly. |
6214-ZNR Bearing Structural Features & Performance Benefits
- Snap Ring Locating Feature: The fitted snap ring (outer diameter 134.7mm) provides a positive axial location, enhancing operational stability and simplifying housing design, which is critical for high-speed applications.
- Robust Load Capacity: With a dynamic load rating of 14,320 lbf and a static load rating of 10,116 lbf, this bearing is engineered to handle significant radial loads over a long service life.
- Optimized for Speed and Longevity: The combination of a stainless steel cage and effective grease lubrication allows for a high limiting speed of 7,000 rpm. The standard CN radial internal clearance ensures optimal performance under normal operating conditions.
- Shielded and Pre-Lubricated Design: The Z-shield retains the factory-applied grease, protecting against contamination and providing a maintenance-free solution within the specified temperature range of -30°C to 120°C.
- Precision Manufacturing: Built to P0 tolerance class with tight dimensional tolerances, ensuring consistent performance and reliable interchangeability.
6214-ZNR Bearing Typical Application Areas
The 6214-ZNR is ideally suited for a broad spectrum of industrial machinery where reliable radial load support and simplified mounting are paramount. Key sectors include:
- Electric Motors and Generators
- Gearboxes and Power Transmission Systems
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- Industrial Pumps and Fans
