3317 A
Double 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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3317 A Bearing Product Overview & Core Advantages
The 3317 A is a double row angular contact ball bearing designed for applications requiring high precision and exceptional rigidity. This precision bearing excels at simultaneously handling combined radial and bidirectional axial loads. Manufactured to a P6 (ABEC-3) tolerance class, it offers superior running accuracy and is pre-lubricated for immediate use. Its robust construction and optimized internal geometry make it an ideal choice for high-reliability machinery where high rigidity and stable performance under demanding conditions are paramount.
3317 A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| A | Indicates a 30° contact angle, optimized for carrying significant axial loads. |
| (No Seal Suffix) | The bearing is an open design, allowing for customized sealing or lubrication solutions as required by the application. |
3317 A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball complement and 30° contact angle provide significantly increased radial and axial stiffness compared to single row designs. This enables the bearing to effectively support combined loads and moment loads, ensuring precise shaft positioning.
- Optimized for Precision: Built to P6 tolerance with a stainless steel cage, this bearing guarantees smooth operation, minimal vibration, and high running accuracy, which is critical for precision machinery.
- Robust Material Construction: The use of chrome steel for rings and balls, combined with a corrosion-resistant stainless steel cage, ensures high durability and a long operational life, even in challenging environments.
- Ready-to-Use Lubrication: The bearing is supplied pre-lubricated, facilitating easy installation and immediate operation.
3317 A Bearing Typical Application Areas
The 3317 A is engineered for high-performance applications across various industries, including:
- Machine Tool Spindles
- Gearboxes and Transmissions
- Industrial Pumps and Compressors
- Precision Agricultural Machinery
- Material Handling Equipment
