7016 ACD/P4AQBCB
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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Materials
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7016 ACD/P4AQBCB Bearing Product Overview & Core Advantages
The 7016 ACD/P4AQBCB is a precision angular contact ball bearing configured in a Quadruplex Back-to-Back (QBC) matched set. This arrangement delivers exceptional rigidity and stability, making it ideal for applications requiring high precision and accuracy under complex loading conditions. Its P4A tolerance class ensures superior running accuracy, while the light preload (Class B) minimizes deflection and optimizes performance in high-speed operations. This bearing is designed to handle significant combined loads, offering a robust solution for demanding industrial environments.
7016 ACD/P4AQBCB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7016 | Standard bore diameter (80 mm) and dimension series |
| ACD | Angular Contact Design with a 25° contact angle |
| P4A | High precision tolerance class (exceeds ABEC 7) |
| QBC | Quadruplex Back-to-Back matched arrangement of 4 bearings |
| B | Light preload classification |
7016 ACD/P4AQBCB Bearing Structural Features & Performance Benefits
High Rigidity & Stability: The Quadruplex Back-to-Back (QBC) arrangement creates an extremely rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise rotational accuracy.
Superior Load Capacity: With a dynamic load rating of 37,125 lbf and static load rating of 52,200 lbf, this bearing handles substantial combined radial and axial loads efficiently. The 25° contact angle optimizes axial load carrying capability.
Precision Performance: Manufactured to P4A tolerance class with tight dimensional controls (bore and OD tolerance: -0.004mm to 0), this bearing delivers exceptional running accuracy and minimal vibration.
High-Speed Capability: The phenolic cage material and optimized internal design enable reliable operation at limiting speeds up to 28,000 rpm, making it suitable for high-speed applications.
Durability & Reliability: Constructed from chrome steel for both rings and balls, this bearing offers excellent wear resistance and long service life in demanding operating conditions.
7016 ACD/P4AQBCB Bearing Typical Application Areas
The 7016 ACD/P4AQBCB is specifically engineered for high-performance applications requiring exceptional precision and rigidity, including:
- Machine tool spindles for high-precision machining centers
- High-speed machining heads and precision grinding spindles
- Industrial robotics and automation systems
- Aerospace positioning systems and flight control mechanisms
- Medical equipment spindles for surgical and diagnostic devices
- Precision test equipment and measuring instruments
