7014 CD/HCP4AQBCC
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7014 CD/HCP4AQBCC
Basic Information
System of measurement
Metric
Weight
2 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.004mm to 0
Width
80 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
30375 lbf
Radial static load rating
41175 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Quadruplex Back-to-Back (QBC)
Number of bearings in matched set
4
Universal matching bearing
No (Standard)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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7014 CD/HCP4AQBCC Bearing Product Overview & Core Advantages
The 7014 CD/HCP4AQBCC is a high-precision quadruplex matched bearing set designed for applications demanding exceptional rigidity and rotational accuracy. This metric angular contact ball bearing configuration features a back-to-back arrangement (QBC), providing superior stability and the ability to withstand combined loads—significant radial and bidirectional axial forces. Manufactured to an ultra-precise P4A tolerance class and preloaded for immediate high-performance operation, it is engineered for high-speed and high-rigidity applications where uncompromising precision is critical.
7014 CD/HCP4AQBCC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing series, defining the bore diameter (70 mm), outside diameter (110 mm), and width (80 mm). |
| CD | Indicates a duplex (two-bearing) set in a back-to-back arrangement. This is the building block for the quadruplex set. |
| HC | Signifies the use of Hybrid Ceramic components, specifically ceramic balls for reduced friction and higher speed capability. |
| P4A | Denotes an ultra-high-precision tolerance class, superior to ABEC 7, ensuring minimal runout and vibration. |
| QBC | Specifies the Quadruplex Back-to-Back (QBC) matched arrangement, consisting of four bearings supplied as a pre-matched set. |
| C | Indicates the Moderate preload (Class C) applied to the bearing set, optimizing rigidity for the intended application. |
7014 CD/HCP4AQBCC Bearing Structural Features & Performance Benefits
- Unmatched Rigidity and Stability: The Quadruplex Back-to-Back (QBC) arrangement creates an extremely stiff bearing system that effectively resists moment loads and shaft deflection, which is critical for maintaining precision under heavy combined loads.
- Enhanced High-Speed Performance: The combination of hybrid ceramic balls (lighter than steel, reducing centrifugal force) and a phenolic cage allows for a high limiting speed of 22,000 rpm. This design minimizes friction and heat generation.
- Superior Load Capacity: With a 15° contact angle and a robust design, this set offers high radial dynamic load rating (30,375 lbf) and static load rating (41,175 lbf), making it suitable for demanding applications.
- Ultra-Precision Operation: Manufactured to P4A tolerance standards, this bearing set guarantees extremely tight running accuracy, low noise, and minimal vibration, which is essential for high-precision machinery.
- Optimized for Immediate Use: The set is supplied lubricated and with a factory-applied moderate preload (Class C), ensuring optimal performance from the moment of installation without requiring complex setup.
7014 CD/HCP4AQBCC Bearing Typical Application Areas
This high-performance bearing set is ideally suited for the most demanding sectors of industrial machinery, including:
- High-Speed Machine Tool Spindles: For CNC milling, grinding, and turning centers where precision, rigidity, and speed are paramount.
- Precision Grinding Spindles: Applications requiring the utmost in rotational accuracy and surface finish quality.
- High-Frequency Motors and Spindles: Used in applications pushing the limits of rotational velocity.
- Advanced Robotics and Automation: For critical joints and axes that require high stiffness and precise positioning.
- Aerospace and Defense Test Equipment: In simulators and other precision apparatus where reliability and accuracy cannot be compromised.
