7016 CDGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7016 CDGA/P4A Bearing Product Overview & Core Advantages
The 7016 CDGA/P4A is a super-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing delivers superior running accuracy and dimensional stability. Its 15° contact angle and extra light preload (Class A) make it ideally suited for high-speed operation, offering excellent performance under combined radial and axial loads. The phenolic resin cage contributes to smooth operation at high rotational speeds, making this bearing a top choice for high-precision, high-reliability machinery.
7016 CDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7016 | Basic bearing series; 80 mm bore, 125 mm OD, 22 mm width |
| C | 15° nominal contact angle |
| DG | Universal matching designation; bearings can be mounted in any combination |
| A | Extra light preload (Class A) |
| /P4A | Super precision tolerance class with enhanced running accuracy requirements |
7016 CDGA/P4A Bearing Structural Features & Performance Benefits
This bearing's performance is defined by its precision engineering and material selection. The open seal type allows for optimal lubrication flow and heat dissipation, supporting the high limiting speed of 17,000 rpm. The phenolic cage material provides excellent strength-to-weight ratio and operates smoothly at high speeds with minimal friction. With a radial dynamic load rating of 14,625 lbf and static load rating of 13,725 lbf, the bearing offers reliable performance under significant combined loads. The universal matchable (SU) design allows for flexible mounting arrangements in sets of three bearings, enabling precise preload control and optimal system rigidity.
7016 CDGA/P4A Bearing Typical Application Areas
The 7016 CDGA/P4A is extensively used in high-precision industrial equipment where accuracy and speed are critical. Primary applications include: machine tool spindles, high-frequency CNC machining centers, precision grinding spindles, industrial high-speed motors, and advanced robotic systems. Its exceptional precision and high-speed capability also make it suitable for aerospace positioning systems and specialized medical imaging equipment requiring ultra-precise rotational components.
