7205 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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7205 BECBY Bearing Product Overview & Core Advantages
The 7205 BECBY is a single row angular contact ball bearing engineered for high-performance applications requiring precision and reliability. This metric bearing is designed to accommodate combined loads, primarily handling significant thrust loads in one direction due to its 40° contact angle. Its P6 (ABEC-3) tolerance class ensures high running accuracy, making it suitable for applications demanding precise shaft guidance and high rotational speeds up to 17,000 rpm. The combination of a brass cage and premium chrome steel construction provides excellent durability and operational stability.
7205 BECBY Bearing Model Code Explained, Specifications & Naming Convention
The model number 7205 BECBY can be broken down as follows to understand its technical specifications:
| Code Segment | Interpretation | Technical Significance |
|---|---|---|
| 7205 | Basic Bearing Number | Indicates a single row angular contact ball bearing with a 25 mm bore, 52 mm OD, and 15 mm width. |
| BE | High Capacity & Optimized Internal Design | Signifies an increased ball complement and optimized internal geometry for higher load capacity. |
| CB | Contact Angle | Specifies a 40° contact angle, which is optimized for handling high axial loads. |
| Y | Cage Design | Denotes a pressed brass, snap-type cage (window type), which contributes to high-speed capability and robustness. |
7205 BECBY Bearing Structural Features & Performance Benefits
The design of the 7205 BECBY delivers distinct performance advantages:
- High Load Capacity: The BE design with a larger number of balls and the 40° contact angle provides superior radial and axial load ratings (Cr = 3510 lbf, C0r = 2250 lbf), making it capable of handling significant combined loads.
- High-Speed Performance: The lightweight and durable brass cage (Y) ensures stable operation and low friction, enabling a high limiting speed of 17,000 rpm.
- Precision and Rigidity: Manufactured to P6 tolerance (ABEC-3), this bearing offers high dimensional accuracy and running precision, which minimizes vibration and ensures precise shaft positioning.
- Robust Material Construction: Made from high-grade chrome steel for both rings and balls, the bearing offers high hardness, wear resistance, and a long operational life.
- Optimized Internal Geometry: The specific shoulder diameters on the inner and outer rings ensure proper load distribution and support, enhancing overall bearing rigidity.
7205 BECBY Bearing Typical Application Areas
The 7205 BECBY is ideally suited for high-performance machinery and systems, including:
- Machine Tool Spindles: For high-speed, precision machining centers and lathes.
- High-Frequency Motors and Spindles: Applications requiring high rotational speeds and accurate shaft guidance.
- Pumps and Compressors: Where reliable handling of combined radial and axial loads is critical.
- Precision Gearboxes and Power Transmission Systems: To support shafts under high thrust and radial loads.
- Agricultural and Construction Machinery: In demanding environments that require robust and reliable bearing performance.
