7305 BEGBY
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 BEGBY Bearing Product Overview & Core Advantages
The 7305 BEGBY is a single row angular contact ball bearing designed for precision applications requiring high rotational accuracy and reliable performance. Engineered to accommodate combined loads (simultaneous radial and axial loads), this bearing features a 40° contact angle optimized for handling substantial thrust loads. Manufactured to P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy and dimensional stability. The open design with brass cage enables high-speed operation up to 15,000 rpm, making it ideal for precision machinery where rigidity and minimal deflection are critical requirements.
Model Code Detailed Explanation
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 7305 | Basic bearing designation (35mm bore, 62mm OD, 17mm width) | Standard dimensions for interchangeability |
| BE | Increased internal clearance and optimized internal design | Enhanced performance under thermal expansion conditions |
| GB | 40° contact angle design | Superior axial load capacity and rigidity |
| Y | Pressed brass cage construction | Excellent high-speed capability and durability |
7305 BEGBY Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: The 40° contact angle and precision-ground raceways provide superior load distribution, enabling the bearing to handle both radial loads (5962 lbf dynamic rating) and significant axial loads simultaneously.
High-Speed Brass Cage: The pressed brass cage ensures stable operation at limiting speeds of 15,000 rpm, offering excellent strength and wear resistance while reducing friction and heat generation.
Precision Manufacturing: Manufactured to P6 tolerance class with tight dimensional control (bore tolerance: -0.008mm to 0), ensuring consistent performance and easy installation in precision applications.
Material Excellence: Chrome steel rings and balls provide exceptional hardness and fatigue resistance, while the optimized lubrication system supports operation across a wide temperature range (-30° to 110°C).
7305 BEGBY Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers requiring rigid support and high rotational accuracy
- Industrial Pumps: Centrifugal and process pumps handling combined radial and axial loads
- Precision Gearboxes: Power transmission systems demanding high-speed capability and reliability
- Electric Motors: High-performance motors requiring precise bearing alignment and thermal stability
- Material Handling Equipment: Conveyor systems and automation equipment needing durable angular contact bearings
