3216 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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3216 A Bearing Product Overview & Core Advantages
The 3216 A is a double row angular contact ball bearing designed for applications requiring high precision and rigidity. This metric bearing features an open design, enabling it to accommodate combined radial and axial loads from both directions simultaneously. Manufactured to a P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy. Its compact double-row construction provides high rigidity and load-carrying capacity in a space-saving design, making it an ideal choice for high-performance machinery where reliability is paramount.
3216 A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 3216 | Standard bore diameter (80 mm) and dimension series. |
| A | Signifies a 30° contact angle, optimized for carrying significant axial loads. |
3216 A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball bearing design provides superior radial and axial stiffness, enabling stable operation under combined loads. The optimized 30° contact angle efficiently manages thrust loads from both directions.
- Precision & Speed: Built to P6 tolerance with a lightweight stainless steel cage, this precision bearing ensures smooth operation and contributes to a high limiting speed of 4,300 rpm.
- Robust Construction: Components made from chrome steel offer high durability and fatigue resistance. The open seal type allows for easy re-lubrication to maintain optimal performance.
- Operational Versatility: With a broad temperature range of -30°C to 110°C and pre-lubrication, the bearing is ready for immediate use in demanding environments.
3216 A Bearing Typical Application Areas
The 3216 A is engineered for high-performance applications across various industries, including:
- Machine Tool Spindles
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Precision Agricultural and Construction Machinery
- Material Handling Equipment
