7016 FE/HCP4AQBCA
Hybrid Ceramic Super Precision Bearings
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7016 FE/HCP4AQBCA Bearing Product Overview & Core Advantages
The 7016 FE/HCP4AQBCA is a precision quadruplex matched set of angular contact ball bearings designed for the most demanding applications. This metric bearing set is engineered to deliver exceptional performance by combining four bearings in a Back-to-Back (QBC) arrangement. Its core advantages include superior high rigidity and the ability to handle significant combined loads (radial and axial) simultaneously. Manufactured to an ultra-P4A tolerance class and featuring a ceramic ball and phenolic cage construction, it is optimized for high-speed operation up to 28,000 rpm, making it an ideal choice for high-precision, high-reliability spindles and machinery.
7016 FE/HCP4AQBCA Bearing Model Code Explained, Specifications & Naming Convention
- 7016: Basic bearing series, denoting an 80 mm bore, 125 mm outside diameter.
- FE: Indicates the bearing is supplied lubricated.
- HC: Denotes the use of Hybrid Ceramic balls (Silicon Nitride).
- P4A: Specifies the tolerance class, indicating very high running accuracy and dimensional precision.
- QBC: Defines the matched arrangement as a Quadruplex Back-to-Back set of 4 bearings.
- A: Signifies the preload level as Extra Light (Class A).
7016 FE/HCP4AQBCA Bearing Structural Features & Performance Benefits
Unmatched Rigidity and Load Capacity: The Quadruplex Back-to-Back (QBC) arrangement creates an extremely rigid bearing system, capable of withstanding heavy combined loads and moments. The 18° contact angle is optimized for high axial load capacity.
Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight, robust phenolic cage allows for the exceptional limiting speed of 28,000 rpm. This design minimizes friction and heat generation.
Precision and Longevity: Manufactured to P4A tolerance class with tight dimensional tolerances on the bore diameter, outside diameter, and width, this set ensures smooth, quiet, and precise operation. The chrome steel rings provide excellent durability and wear resistance.
7016 FE/HCP4AQBCA Bearing Typical Application Areas
This high-performance bearing set is specifically designed for advanced machinery requiring maximum precision, speed, and rigidity. Key applications include:
- High-Frequency Machine Tool Spindles
- Precision Grinding Spindles
- High-Speed Machining Centers
- Advanced Robotic Drives
- Aerospace and Defense Actuators
