3302 A-2Z
Double Row Angular Contact Ball Bearings
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3302 A-2Z Bearing Product Overview & Core Advantages
The 3302 A-2Z is a double row angular contact ball bearing engineered for applications requiring high precision and reliability. This shielded bearing excels at simultaneously handling combined radial and axial loads from both directions. Its compact design, featuring a 15 mm bore and 42 mm outside diameter, provides a robust solution for space-constrained assemblies. Manufactured to a P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy and is pre-lubricated for immediate use, ensuring high performance and operational stability.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 3302 | Basic bearing designation, indicating the bearing size with a 15mm bore and 42mm outside diameter. |
| A | Contact angle of 30°, optimized for carrying significant axial loads. |
| 2Z | Bearing is equipped with shields on both sides. This provides effective protection against contaminant ingress while retaining the factory-applied lubricant, contributing to a maintenance-free design. |
3302 A-2Z Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row design significantly increases the bearing's rigidity and its ability to support substantial combined loads, including radial loads and axial loads from both directions. With a dynamic load rating of 3398 lbf and a static load rating of 2092 lbf, it is built for demanding applications.
Precision & Speed: The stainless steel cage ensures stable operation and guides the balls effectively, supporting a limiting speed of 16,000 rpm. The P6 precision grade guarantees smooth and quiet running, essential for high-speed and precision equipment.
Durability & Maintenance: The combination of chrome steel rings and balls provides excellent wear resistance and fatigue life. The 2Z shields seal in the lubricant and seal out contaminants, making the bearing long-lasting and maintenance-free for the majority of its service life.
3302 A-2Z Bearing Typical Application Areas
The 3302 A-2Z is ideally suited for a wide range of industrial machinery and precision devices, including:
- Machine Tool Spindles
- Industrial Pumps and Compressors
- Precision Gearboxes
- Electric Motors
- Material Handling Equipment
