3310 A
Double Row Angular Contact Ball Bearings
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Main Dimensions
Performance
Materials
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3310 A Bearing Product Overview & Core Advantages
The 3310 A is a precision double row angular contact ball bearing designed for applications demanding high rigidity and accurate rotational performance. This metric bearing excels at simultaneously handling combined radial and axial loads from both directions, making it ideal for compact arrangements where space is limited. Manufactured to P6 (ABEC-3) tolerance class, it ensures reliable operation in high-precision machinery. Its open design, when properly lubricated, supports high-speed operation up to 6,000 rpm, providing a robust solution for demanding industrial environments.
3310 A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| 3310 | Basic bearing designation indicating bearing dimensions: 50mm bore, 110mm OD, 44.4mm width |
| A | 30° contact angle design optimized for high axial load capacity |
Note: This bearing features an open design (no seal suffix) requiring external lubrication, and comes pre-lubricated for immediate operation within the specified temperature range.
3310 A Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row construction provides superior radial and axial stiffness, enabling the bearing to withstand combined loads effectively. With a radial dynamic load rating of 21,375 lbf and static load rating of 15,638 lbf, it offers reliable performance under significant stress.
Precision Engineering: Manufactured from chrome steel rings and balls with a stainless steel cage, this bearing maintains dimensional stability and corrosion resistance. The P6 tolerance class ensures minimal runout and vibration for high-precision applications.
Optimized Speed Performance: The combination of precision grinding, stainless steel cage, and proper lubrication enables a limiting speed of 6,000 rpm, making it suitable for high-speed applications requiring smooth operation.
Thermal Stability: Operating temperature range of -30°C to 110°C ensures reliable performance across various environmental conditions while maintaining lubricant effectiveness.
3310 A Bearing Typical Application Areas
- Machine Tool Spindles - Providing high rigidity and precision for machining operations
- Industrial Pumps - Handling combined loads in centrifugal and rotary pumps
- Precision Gearboxes - Supporting high-speed rotational accuracy
- Compressors - Managing axial and radial forces in rotary compressor systems
- Material Handling Equipment - High-load capacity for conveyor systems and positioning equipment
- Robotics and Automation - Precision motion control in robotic joints and actuators
