7016 ACDGC/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7016 ACDGC/P4A Bearing Product Overview & Core Advantages
The 7016 ACDGC/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to a P4A tolerance class, this bearing excels in handling combined loads (simultaneous radial and axial loads) with high reliability. Its 25° contact angle and moderate preload (Class C) provide superior axial stiffness and precise running accuracy, making it ideal for high-speed spindles and other precision machinery. The universal matching (SU) design allows for flexible mounting arrangements in sets, ensuring optimal performance in complex systems.
7016 ACDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7016 | Standard bearing series designation with 80mm bore, 125mm OD, and 22mm width. |
| AC | Angular Contact design, optimized for combined loads. |
| DGC | Duplex arrangement, Ground to universal match (SU) specifications for precise preloading in sets. |
| P4A | High precision tolerance class exceeding ABEC 7, ensuring minimal runout and vibration for ultra-precise applications. |
7016 ACDGC/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design with a 25° contact angle and moderate preload delivers high axial and radial rigidity, effectively managing combined loads. With a dynamic load rating of 14,040 lbf and static load rating of 13,162 lbf, it offers robust performance under demanding conditions.
- High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the optimized internal geometry supports a limiting speed of 28,000 rpm, making it suitable for high-speed applications.
- Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore/OD tolerance: -0.004mm to 0), this bearing ensures minimal runout and superior rotational accuracy.
- Universal Matching Capability: Designed as a Universal Matchable (SU) bearing, it can be paired in sets of three to achieve specific preload and stiffness requirements without selective mounting.
7016 ACDGC/P4A Bearing Typical Application Areas
The 7016 ACDGC/P4A is ideally suited for high-precision, high-speed machinery, including:
- Machine Tool Spindles
- High-Frequency Machining Centers
- Precision Grinding Spindles
- Industrial Pumps & Compressors
- Robotic Arm Joints & Precision Gearboxes
