7311 BECBY
Single Row Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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Product Overview and Core Advantages
The 7311 BECBY is a precision angular contact ball bearing designed for applications requiring exceptional performance under combined loads. As a single row bearing with a steep 40° contact angle, it excels at handling high axial loads in one direction while simultaneously supporting significant radial loads. Manufactured to P6 (ABEC-3) tolerance class, it delivers the high running accuracy essential for high-speed operation and precise positioning systems. Its optimized internal geometry and brass cage contribute to superior high rigidity and stable rotational characteristics.
7311 BECBY Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| BE | Increased internal clearance and optimized internal design for high-speed applications. |
| CB | Specific internal design and clearance for optimal preload and stiffness. |
| Y | Indicates special technical features or material specifications as defined by the manufacturer. |
Structural Features and Performance Benefits
- High Rigidity and Load Capacity: The 40° contact angle and robust single row design provide high resistance to deformation under heavy combined loads, ensuring precise shaft positioning and system stability.
- Optimized for High-Speed Operation: The machined brass cage ensures excellent guidance and low friction at the limiting speed of 7,000 rpm, while the open design facilitates efficient lubrication and cooling.
- Precision Engineering: Manufactured to P6 tolerance class, this bearing guarantees minimal runout and vibration, which is critical for applications demanding high rotational accuracy.
- Superior Material Construction: Components made from chrome steel for rings and balls offer high hardness, wear resistance, and a long operational lifespan under demanding conditions.
7311 BECBY Bearing Typical Application Areas
The 7311 BECBY is ideally suited for high-performance machinery where precision, speed, and reliability are paramount. Key applications include:
- Machine Tool Spindles
- High-Speed Pumps and Compressors
- Precision Gearboxes
- Industrial Robotics and Automation Systems
- Medical and Laboratory Equipment
