3213 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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3213 A Bearing Product Overview & Core Advantages
The 3213 A is a double row angular contact ball bearing designed for applications requiring high precision and reliability. This precision bearing is engineered to accommodate combined loads—simultaneously handling significant radial loads and bidirectional axial loads. Its compact design and P6 (ABEC-3) tolerance class ensure exceptional running accuracy, making it ideal for demanding industrial environments. The bearing comes pre-lubricated for immediate use and features an open design for potential re-lubrication, offering versatility and long service life.
3213 A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 3213 | Standard bearing series designation, indicating the bearing dimensions (65mm bore, 120mm OD, 38.1mm width). |
| A | Signifies a 30° contact angle, optimized for handling higher axial loads. |
3213 A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball complement and optimized internal geometry provide superior high rigidity, enabling the bearing to support substantial combined loads with minimal deflection.
- Precision & Speed: Manufactured to a P6 tolerance class and featuring a lightweight, durable stainless steel cage, this bearing ensures smooth operation and contributes to its high limiting speed of 4,800 rpm.
- Material & Durability: Constructed from chrome steel for rings and balls, the bearing offers excellent wear resistance and fatigue life, suitable for a wide temperature range from -30°C to 110°C.
- Versatile Mounting: The open seal type allows for custom lubrication schemes, providing flexibility for specific application requirements.
3213 A Bearing Typical Application Areas
The 3213 A bearing is ideally suited for high-performance applications across various sectors, including:
- Machine Tool Spindles
- Industrial Pumps and Compressors
- Precision Gearboxes
- Material Handling Equipment
- Agricultural Machinery
