7305 BEGAP
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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7305 BEGAP Bearing Product Overview & Core Advantages
The 7305 BEGAP is a single row angular contact ball bearing designed for high-precision applications requiring exceptional performance under combined loads. Engineered with a 40° contact angle and manufactured to P6 (ABEC-3) tolerance, this bearing excels at supporting significant axial loads in one direction alongside radial loads. Its compact design, featuring a 25 mm bore and 62 mm outside diameter, provides a robust and space-efficient solution for demanding machinery. The use of a nylon cage contributes to smooth operation at high speeds, making it an ideal choice for applications where high rigidity and rotational accuracy are paramount.
7305 BEGAP Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7305 | Standard bearing series designation indicating a metric, single row angular contact ball bearing with a 25 mm bore and 62 mm outside diameter. |
| BE | Designates a 40° contact angle, optimized for high axial load capacity. |
| GA | Indicates the bearing is supplied with a light preload, enhancing system rigidity and rotational accuracy. |
| P | Signifies the bearing is manufactured to P6 tolerance class (equivalent to ABEC-3), ensuring high dimensional and running accuracy. |
7305 BEGAP Bearing Structural Features & Performance Benefits
The performance of the 7305 BEGAP is derived from its specific structural design:
- High Rigidity & Load Capacity: The 40° contact angle and GA preload work in tandem to provide superior stiffness, enabling the bearing to handle substantial combined radial and axial loads effectively.
- Optimized High-Speed Performance: The lightweight, resilient nylon cage minimizes centrifugal forces and friction, allowing for smooth operation up to the limiting speed of 15,000 rpm.
- Precision Engineering: Manufactured to P6 tolerance with precise raceway geometry, this bearing ensures minimal runout and vibration, which is critical for high-precision spindles.
- Robust Material Construction: Both rings and balls are made from high-grade chrome steel, providing excellent wear resistance and durability for a long service life.
7305 BEGAP Bearing Typical Application Areas
The 7305 BEGAP is ideally suited for high-performance applications across various industries, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes: Where high rigidity and accurate shaft positioning are required.
- Pumps and Compressors: For handling axial thrust loads efficiently.
- Industrial Robotics: Joint and arm articulation requiring high moment stiffness.
- Medical and Laboratory Equipment: Centrifuges and other high-speed, precision instruments.
