7014 FE/HCPA9ALDT
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7014 FE/HCPA9ALDT
Basic Information
System of measurement
Metric
Weight
1.11 kg
Tolerance class
PA9A
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
40 mm
Width tolerance
-0.2mm to 0
Contact angle
18 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
8482 lbf
Radial static load rating
8212 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Available
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
Price available upon request.
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7014 FE/HCPA9ALDT Bearing Product Overview & Core Advantages
The 7014 FE/HCPA9ALDT is a precision angular contact ball bearing designed for demanding applications requiring exceptional performance. This duplex tandem (DT) arrangement bearing set is preloaded and ready for installation, offering superior high rigidity and the ability to handle significant combined loads. Manufactured to an ultra-precise PA9A tolerance class and featuring a ceramic ball and phenolic cage construction, it is engineered for high-speed operation and long-term reliability in precision machinery.
7014 FE/HCPA9ALDT Bearing Model Code Explained, Specifications & Naming Convention
The model number 7014 FE/HCPA9ALDT provides detailed technical specifications:
- 7014: Basic bearing series, indicating a 70mm bore, 110mm OD, and 40mm width.
- FE: Signifies a duplex tandem (DT) arrangement, where two bearings are paired to handle heavy axial loads in one direction.
- HC: Denotes the use of Hybrid Ceramic balls (Silicon Nitride), offering reduced weight, higher speed capability, and improved durability.
- PA9A: Indicates an ultra-high precision tolerance class, exceeding ABEC 9/ISO P4 standards for exceptional running accuracy.
- L: Specifies a light preload applied to the bearing set, eliminating internal clearance for maximum system rigidity.
- DT: Reiterates the Duplex Tandem matched set configuration.
7014 FE/HCPA9ALDT Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex tandem arrangement and applied preload create an exceptionally stiff bearing system, capable of withstanding high combined radial and axial loads in one direction, making it ideal for precise positioning applications.
- Superior High-Speed Performance: The combination of hybrid ceramic balls and a lightweight phenolic resin cage significantly reduces centrifugal forces and friction, enabling a high limiting speed of 28,000 rpm. The open design facilitates efficient lubrication and heat dissipation.
- Enhanced Precision and Longevity: Manufactured to PA9A tolerance standards, this bearing ensures minimal runout and vibration. The 18° contact angle is optimized for axial load carrying, while the ceramic balls provide excellent wear resistance and extended service life.
7014 FE/HCPA9ALDT Bearing Typical Application Areas
This high-performance bearing set is specifically suited for applications where maximum stiffness, high speed, and precision are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy positioning systems.
- Aerospace & Defense Systems: Gyroscopes, actuators, and auxiliary power units (APUs).
- High-Frequency Motors and Spindles: PCB drilling spindles and dental handpieces.
