3312 A-2Z
Double Row Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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3312 A-2Z Bearing Product Overview & Core Advantages
The 3312 A-2Z is a double row angular contact ball bearing designed to handle combined radial and axial loads simultaneously from both directions. This precision bearing features a compact design with shielded construction, offering high rigidity and reliable performance in demanding applications. Manufactured to P6 (ABEC-3) tolerance class, it delivers exceptional dimensional accuracy and rotational precision for industrial equipment requiring consistent operation.
3312 A-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 3312 | Basic bearing designation indicating metric dimensions: 60mm bore, 130mm OD, 54mm width |
| A | Contact angle optimized for axial load capacity |
| 2Z | Double-sided steel shields providing effective contamination protection |
3312 A-2Z Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row design provides superior stiffness and stability, enabling the bearing to handle significant combined loads with a radial dynamic load rating of 28,575 lbf and radial static load rating of 21,375 lbf.
Precision Performance: Manufactured to P6 tolerance class with chrome steel rings and balls, ensuring consistent dimensional accuracy and smooth operation. The stainless steel cage maintains proper ball spacing for reliable performance.
Maintenance-Free Operation: Factory-pre-lubricated with double-sided steel shields (2Z) that retain lubricant and exclude contaminants, extending service life in various operating conditions.
Optimized Dimensions: With a bearing size of 60×130×54 mm and a load point distance of 78 mm, the design supports stable operation across the temperature range of -30° to 110°C.
3312 A-2Z Bearing Typical Application Areas
- Industrial Gearboxes and power transmission systems
- Machine Tool Spindles requiring high precision and rigidity
- Industrial Pumps and compressor equipment
- Material Handling Systems and conveyor applications
- Electric Motors and precision mechanical drives
