311SZZ1
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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311SZZ1 Bearing Product Overview & Core Advantages
The 311SZZ1 is a single row deep groove ball bearing designed for reliable performance in demanding applications. Engineered with shielded construction on both sides, it effectively protects against contaminant ingress while retaining lubrication. This bearing is manufactured to ABEC 1 | ISO P0 tolerance standards, ensuring consistent quality and smooth operation. Its primary advantages include robust radial load capacity and a versatile operating temperature range, making it a dependable choice for general industrial machinery where moderate precision and contamination protection are required.
311SZZ1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 311 | Standard bore diameter code series. |
| S | Indicates the bearing is supplied without lubrication (None). |
| ZZ | Signifies shielded on both sides for contaminant protection. |
| 1 | A variant or internal designation for this specific shielded configuration. |
311SZZ1 Bearing Structural Features & Performance Benefits
Robust Construction: Manufactured entirely from chrome steel for rings, balls, and cage, providing high strength and durability under radial dynamic load ratings up to 17,805 lbf.
Contaminant Protection: The dual shields (ZZ) protect the internal components from dust and debris, extending bearing life without significantly impacting the limiting speed of 6,300 rpm.
Standardized Precision: Built to ABEC 1 tolerance class with a standard CN radial internal clearance, ensuring reliable performance and interchangeability in a wide range of applications.
Versatile Operating Range: Suitable for a temperature range of -30°C to 120°C, accommodating various industrial environments.
311SZZ1 Bearing Typical Application Areas
The 311SZZ1 is ideally suited for applications requiring dependable radial load support and basic sealing. Common uses include:
- Electric Motors
- Industrial Gearboxes
- Material Handling Equipment
- Agricultural Machinery
- General Industrial Fans and Blowers
