309A-ZN
300 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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309A-ZN Bearing Product Overview & Core Advantages
The 309A-ZN is a single row deep groove ball bearing designed for exceptional radial load capacity and reliable performance in various industrial applications. This metric bearing features a shielded design on one side to protect against contaminant ingress while maintaining high-speed capability. Manufactured to ABEC 1 | ISO P0 tolerance standards, it offers consistent precision and high reliability. Its robust construction from chrome steel ensures durability, making it an ideal choice for applications requiring dependable operation under significant radial dynamic loads up to 12,364 lbf.
309A-ZN Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| A | Design variant with optimized internal geometry | Enhanced load distribution and performance |
| ZN | Shielded on one side with snap ring groove on opposite side | Contaminant protection with secure axial location capability |
309A-ZN Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: The A-design variant provides superior load distribution across the raceways, enhancing bearing life and reliability under demanding conditions.
Shielded Protection: The single-side shield effectively prevents the entry of contaminants while allowing for high-speed operation up to 7,500 rpm, significantly extending service intervals.
Snap Ring Groove Design: The outer ring snap ring groove facilitates secure axial location within the housing, simplifying assembly and improving system stability.
Premium Material Construction: Manufactured entirely from chrome steel for rings, balls, and cage, this bearing delivers excellent wear resistance and consistent performance across its operating temperature range of -30°C to 120°C.
Standardized Precision: Built to ABEC 1 | ISO P0 tolerance class with CN radial clearance, ensuring predictable performance and easy interchangeability in industrial applications.
309A-ZN Bearing Typical Application Areas
- Electric Motors and generators requiring reliable radial support
- Industrial Gearboxes and transmission systems
- Material Handling Equipment including conveyor systems
- Agricultural Machinery components and implements
- Automotive Components such as alternators and pumps
- General Industrial Machinery where cost-effective reliability is essential
