3205 A-2Z
Double Row Angular Contact Ball Bearings
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3205 A-2Z Bearing Product Overview & Core Advantages
The 3205 A-2Z is a double row angular contact ball bearing engineered for applications requiring high rigidity and precise operation. This precision bearing is designed to accommodate combined loads—simultaneously handling significant radial loads and axial loads in both directions. Its compact design, featuring a 25 mm bore and 52 mm outside diameter, makes it ideal for space-constrained, high-reliability applications. The inclusion of shields and factory-applied lubrication ensures long-term performance with minimal maintenance.
3205 A-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 3205 | Basic bearing designation indicating a double row angular contact ball bearing with a 25 mm bore and 52 mm outside diameter. |
| A | Signifies a specific contact angle (typically 30°), optimized for carrying substantial axial loads. |
| 2Z | Denotes bearings with shields on both sides. This provides effective protection against contaminants while allowing for higher limiting speeds compared to contact seals. |
3205 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 demanding combined loads effectively. The optimized contact angle ensures robust performance under significant bidirectional axial forces.
High-Speed Capability: The stainless steel cage ensures low friction and reliable operation at the specified limiting speed of 12,000 rpm, making it a suitable high-speed bearing for various applications.
Maintenance-Free Operation: The 2Z shields protect the internal components from dust and debris, while the factory-applied lubrication provides long-lasting performance across a wide temperature range (-30°C to 110°C), reducing the need for re-lubrication.
Precision Performance: Manufactured to a P6 (ABEC-3) tolerance class, this bearing guarantees running accuracy and smooth operation, which is critical for precision machinery.
3205 A-2Z Bearing Typical Application Areas
The 3205 A-2Z is widely used in industries and equipment requiring robust performance and reliability, including:
- Machine Tool Spindles
- Industrial Pumps and Compressors
- Precision Gearboxes
- Electric Motors
- Material Handling Systems
