311-Z/C3
With Filling Slots Deep Groove Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
311-Z/C3 Bearing Product Overview & Core Advantages
The 311-Z/C3 is a single row deep groove ball bearing engineered for robust performance in demanding industrial applications. This metric bearing is designed to primarily handle radial loads while also accommodating moderate axial loads in both directions. Its key advantages lie in its high load capacity, operational reliability, and versatility. The combination of a C3 radial internal clearance makes it particularly suitable for applications involving thermal expansion or where interference fits are used, ensuring consistent performance under varying operational conditions. Manufactured to ABEC 1 | ISO P0 tolerance standards, it offers excellent value for general precision and high-reliability machinery.
311-Z/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 311 | Standard bearing series designation, indicating the basic dimensions: 55mm bore, 120mm OD, 29mm width. |
| -Z | Denotes a shielded design on one side. This shield protects against large contaminants while allowing for higher limiting speeds compared to contact seals. |
| /C3 | Indicates a radial internal clearance greater than the Normal (CN) group. This is crucial for applications with expected thermal expansion, heavy loads, or interference fits, preventing premature failure due to excessive preload. |
311-Z/C3 Bearing Structural Features & Performance Benefits
- High Load Capacity & Rigidity: Constructed from high-grade chrome steel for both rings, balls, and cage, this bearing delivers a high radial dynamic load rating of 17,805 lbf and a static load rating of 15,062 lbf. The robust single-row deep groove raceway and sturdy cage provide excellent structural integrity and resistance to deformation under load.
- Optimized for Versatile Applications: The deep groove geometry enables it to handle not only significant radial loads but also bidirectional axial loads, making it a versatile component for various mounting configurations.
- Shielded Protection: The non-contact shield (Z) effectively retains lubricant and excludes larger particulate contaminants, contributing to a longer service life and reduced maintenance needs in dirty environments.
- Wide Operational Range: With a temperature range of -30°C to 120°C and a limiting speed of 6,300 rpm, this bearing is suitable for a broad spectrum of industrial operating conditions.
311-Z/C3 Bearing Typical Application Areas
- Electric Motors and Generators
- Gearboxes and Power Transmission Systems
- Industrial Fans and Blowers
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- General Industrial Machinery requiring reliable, high-capacity ball bearing support.
