7014 ACE/HCP4AL1DT
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7014 ACE/HCP4AL1DT
Basic Information
System of measurement
Metric
Weight
1.11 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
40 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
8190 lbf
Radial static load rating
7762 lbf
Limiting speed
29 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 ACE/HCP4AL1DT Bearing Product Overview & Core Advantages
The 7014 ACE/HCP4AL1DT is a precision angular contact ball bearing designed for demanding applications requiring high speed and rigidity. This duplex tandem (DT) matched set combines two bearings to provide exceptional axial load capacity in one direction. Manufactured to a P4A tolerance class, it guarantees superior running accuracy. Its core advantages include the ability to handle high combined loads, achieve very high rotational speeds, and deliver outstanding operational stability, making it ideal for high-precision, high-reliability machinery.
7014 ACE/HCP4AL1DT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACE | Specific internal design and contact angle (25°). |
| HC | Hybrid Ceramic: Features ceramic balls for reduced weight, lower friction, and higher speed capability. |
| P4A | High precision tolerance class exceeding ABEC 7, ensuring minimal runout and vibration. |
| L1 | Light preload for optimized rigidity and positioning accuracy. |
| DT | Duplex Tandem arrangement. Two bearings are matched to act as a single unit, significantly increasing axial load capacity in one direction. |
7014 ACE/HCP4AL1DT Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The duplex tandem arrangement and 25° contact angle create an extremely rigid bearing system capable of withstanding heavy combined loads, particularly high unidirectional axial loads.
- Superior High-Speed Performance: The combination of ceramic balls (lower density and centrifugal force) and a lightweight phenolic cage allows for a very high limiting speed of 29,000 rpm, reducing friction and heat generation.
- Enhanced Precision and Longevity: The P4A tolerance class ensures smooth, quiet, and vibration-free operation. The open design, when used with a proper lubrication system, facilitates efficient heat dissipation and is suitable for a wide temperature range.
- Optimized Preload: The L1 light preload eliminates internal clearance, enhancing shaft positioning accuracy and system stiffness without generating excessive heat.
7014 ACE/HCP4AL1DT Bearing Typical Application Areas
This bearing is engineered for high-performance applications where speed, precision, and rigidity 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: Gyroscopes, radar systems, and auxiliary power units (APUs).
- High-Frequency Spindles: PCB drilling and routing machines.
