7016 CD/P4ADGD
7000 Series Super Precision Angular Contact Ball Bearings
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7016 CD/P4ADGD Bearing Product Overview & Core Advantages
The 7016 CD/P4ADGD is a precision angular contact ball bearing designed for applications demanding exceptional rigidity and accuracy. Engineered with a 15° contact angle and Heavy preload (Class D), this bearing is optimized to handle significant combined loads—simultaneously supporting high radial and axial forces. Its Universal Matchable (SU) design allows for precise pairing in duplex sets, ensuring optimal performance and load distribution in high-precision machinery. Manufactured to P4A tolerance class, it guarantees superior running accuracy and is ideal for high-speed, high-rigidity applications.
7016 CD/P4ADGD Bearing Model Code Explained, Specifications & Naming Convention
- 7016: Basic designation indicating a metric angular contact ball bearing with 80mm bore, 125mm OD, and 44mm width.
- CD: Signifies a Universal Matchable (SU) bearing designed for duplex mounting in a back-to-back (DB) arrangement.
- P4A: Denotes an ultra-precision tolerance class exceeding ABEC 7/ISO P4 standards, ensuring extremely tight dimensional and running accuracy.
- DGD: Indicates the bearing is supplied as a matched set of 2 bearings with a specific preload (Heavy / Class D) applied.
7016 CD/P4ADGD Bearing Structural Features & Performance Benefits
This bearing's performance stems from its meticulously engineered construction. The phenolic cage contributes to lower friction and higher limiting speeds (28,000 rpm), making it a true high-speed bearing. The Heavy preload (Class D) eliminates internal clearance, resulting in superior system rigidity and precise shaft positioning under load. With a high dynamic load rating of 23,850 lbf and static load rating of 27,450 lbf, it reliably withstands demanding combined loads. The open seal design, when used with appropriate lubrication, facilitates efficient heat dissipation in high-speed applications.
7016 CD/P4ADGD Bearing Typical Application Areas
The 7016 CD/P4ADGD is specified for high-performance machinery where precision, speed, and rigidity are paramount. Key applications include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- Precision Gearboxes: In robotics and high-torque transmission systems.
- High-Frequency Motors and Spindles: Demanding minimal runout and vibration.
- Medical and Laboratory Equipment: Such as centrifuges and imaging devices.
- Aerospace Actuation Systems: Requiring reliable performance under complex loading.
