311SZZ
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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311SZZ Bearing Product Overview & Core Advantages
The 311SZZ is a single row deep groove ball bearing designed for reliable performance in general industrial applications. Engineered with shielded protection on both sides, it effectively prevents contamination while retaining lubrication. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing offers consistent quality and dependable operation. Its robust construction from chrome steel provides excellent durability and a high radial dynamic load rating of 17,805 lbf, making it suitable for applications requiring stable support under substantial radial loads.
311SZZ Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| 311 | Standard bore diameter series designation |
| S | Indicates shielded construction on both sides |
| ZZ | Confirms double-shielded design for enhanced contamination protection |
311SZZ Bearing Structural Features & Performance Benefits
The 311SZZ incorporates several key structural features that deliver significant performance advantages:
- Deep Groove Raceway Design: Optimized for handling radial loads efficiently, while capable of accommodating moderate axial loads in both directions
- Double Shielded Construction: Provides effective protection against dust and particulate contamination, extending service life in challenging environments
- Chrome Steel Construction: All components including rings, balls, and cage are manufactured from chrome steel, ensuring consistent hardness, wear resistance, and dimensional stability
- Precision Manufacturing: Built to ABEC 1 | ISO P0 tolerance class with CN radial internal clearance, delivering reliable performance for most industrial applications
- High-Speed Capability: With a limiting speed of 6,300 rpm, suitable for various medium to high-speed applications
311SZZ Bearing Typical Application Areas
The 311SZZ bearing finds extensive use across multiple industries due to its balanced performance characteristics:
- Electric Motors and Industrial Gearboxes
- Material Handling Equipment including conveyor systems
- Agricultural Machinery components and implements
- Industrial Fans and Blowers
- Pump Systems and general Power Transmission applications
- Construction Equipment auxiliary components
