6201-2ZNR/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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6201-2ZNR/C3 Bearing Product Overview & Core Advantages
The 6201-2ZNR/C3 is a single row deep groove ball bearing engineered for superior performance in demanding applications. This metric bearing features integral shielded protection and a snap ring on its outer ring, enabling secure axial location within a housing. Its primary advantages include robust radial load capacity and the convenience of a pre-set C3 radial internal clearance, making it an ideal choice for applications with potential thermal expansion or where fits require a slightly larger internal play. Designed for high reliability and long service life, this bearing offers a compact and efficient solution.
6201-2ZNR/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| 2Z | Non-contact steel shields on both sides | Provides effective protection against contaminant ingress while maintaining high-speed capability and low friction. |
| NR | Snap ring groove and snap ring fitted on the outer ring | Simplifies housing design and assembly by providing secure axial location, eliminating the need for complex housing shoulders or end caps. |
| /C3 | Radial internal clearance greater than Normal (CN) group | Accommodates thermal expansion in the shaft or housing, preventing preload and potential seizure, which is critical for stable operation under varying temperatures. |
6201-2ZNR/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. With a dynamic load rating of 1529 lbf and a static load rating of 686 lbf, it is well-suited for applications with significant radial loads.
- Optimized for Secure Mounting: The integrated snap ring (fitted) is a key structural feature that ensures the bearing remains fixed in the housing, providing a simple and cost-effective solution for axial positioning without additional components.
- Versatile Operating Range: The C3 clearance allows for reliable operation across a wide temperature range (-30°C to 120°C), making it adaptable to environments with fluctuating thermal conditions.
- Maintenance-Friendly Design: The shielded (2Z) design helps to retain grease and exclude larger contaminants, contributing to a longer, maintenance-interval service life. The bearing is supplied without lubrication, allowing for the use of a specialized grease suited to the specific application.
6201-2ZNR/C3 Bearing Typical Application Areas
The 6201-2ZNR/C3 is a versatile component found in a wide array of industrial machinery and equipment. Its combination of radial load handling, secure mounting, and contaminant protection makes it ideal for:
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (e.g., conveyors)
- Agricultural Machinery
- Automotive Auxiliary Drives
