7016 ACBGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
Ball & Washer Dimensions
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7016 ACBGA/P4A Bearing Product Overview & Core Advantages
The 7016 ACBGA/P4A is a single row angular contact ball bearing designed for applications demanding superior precision and high-speed performance. Manufactured to a P4A tolerance class, this bearing offers exceptional running accuracy. Its 25° contact angle is optimized to support significant combined loads, handling both radial and axial loads simultaneously. The phenolic resin cage and factory-applied lubrication enable a high limiting speed of 28,000 rpm, making it an ideal choice for high-performance spindles and precision machinery where rigidity and operational reliability are critical.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7016 | Basic bearing series and size designation (80mm bore, 125mm OD, 22mm width) |
| AC | Angular Contact design |
| B | 40° contact angle (standard for this series) |
| GA | Universal Matchable bearing, supplied in a set of two for preload control |
| P4A | High precision tolerance class, superior to ABEC-7 |
7016 ACBGA/P4A Bearing Structural Features & Performance Benefits
Precision Engineering: The P4A tolerance class ensures minimal runout and vibration, which is critical for applications requiring high rotational accuracy. The tight dimensional tolerances on the bore diameter and outside diameter contribute to precise fit and system stability.
High-Speed Capability: The lightweight phenolic cage reduces centrifugal forces, while the optimized internal geometry and lubrication work in concert to achieve the high limiting speed. This makes the bearing suitable for very demanding rotational applications.
Load Handling: With a 25° contact angle, the bearing is engineered to support substantial combined radial and axial loads. The high-grade chrome steel construction for both rings and balls provides the necessary strength and durability for these loads, as reflected in its dynamic and static load ratings.
Matched Set Flexibility: Being a Universal Matchable (SU) bearing supplied in a set of two allows for controlled preloading when mounted in pairs (back-to-back or face-to-face), enabling the achievement of desired system rigidity and performance characteristics.
7016 ACBGA/P4A Bearing Typical Application Areas
The 7016 ACBGA/P4A is ideally suited for high-performance machinery where precision and speed are paramount. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: Used in PCB drilling, engraving, and high-frequency motor spindles.
- Robotics: High-accuracy joints and arms requiring minimal backlash and high rigidity.
- Aerospace & Defense: Gyroscopes, radar systems, and other precision instrumentation.
