6217-ZNR/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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6217-ZNR/C3 Bearing Product Overview & Core Advantages
The 6217-ZNR/C3 is a single row deep groove ball bearing engineered for robust performance in demanding applications. This metric bearing features a shielded design and a snap ring groove on its outer ring, facilitating secure axial location within a housing. Its C3 radial internal clearance makes it particularly suitable for applications with elevated operating temperatures or where interference fits are used, ensuring optimal performance under such conditions. The combination of high radial load capacity and the convenience of the snap ring makes it a reliable and easy-to-install component for various industrial machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 6217 | Basic bearing designation indicating a single row deep groove ball bearing with a 85 mm bore and 150 mm outside diameter. |
| Z | Signifies a shielded (non-contact) seal on one side, protecting the bearing interior from large contaminants. |
| NR | Indicates a snap ring groove (fitted) on the outer ring for simplified axial location and housing design. |
| /C3 | Denotes a greater than normal radial internal clearance, ideal for applications involving thermal expansion or tight interference fits. |
6217-ZNR/C3 Bearing Structural Features & Performance Benefits
- Robust Construction & High Load Capacity: Manufactured from chrome steel for both rings, balls, and cage, this bearing delivers high strength and durability. It offers a substantial dynamic load rating of 18,884 lbf and a static load rating of 13,916 lbf, ensuring reliable operation under significant radial loads.
- Snap Ring for Secure Mounting: The integrated snap ring groove allows for positive axial location, reducing the complexity and cost of the surrounding housing structure and preventing creep under load.
- Optimized Internal Clearance: The C3 clearance group provides extra space between the rolling elements and raceways, preventing binding in applications prone to thermal expansion, thereby extending bearing service life.
- Shielded Protection: The Z-shield effectively guards against large particulate contaminants while minimizing friction, contributing to a limiting speed of 4,300 rpm.
6217-ZNR/C3 Bearing Typical Application Areas
The 6217-ZNR/C3 is ideally suited for a wide range of industrial equipment where reliable radial load support and secure mounting are paramount. Key applications include:
- Electric Motors and Gearboxes
- Industrial Fans and Blowers
- Material Handling Conveyors
- Agricultural Machinery
- Pumps and Compressors
