7014 ACB/HCP4ATGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7014 ACB/HCP4ATGA
Basic Information
System of measurement
Metric
Weight
1.88 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
60 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
28
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
8775 lbf
Radial static load rating
10462 lbf
Limiting speed
36 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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In Stock
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7014 ACB/HCP4ATGA Bearing Product Overview & Core Advantages
The 7014 ACB/HCP4ATGA is a super-precision angular contact ball bearing engineered for the most demanding high-speed and high-rigidity applications. As a universal matchable (SU) bearing, it is designed to be mounted in sets to form a preloaded bearing system, delivering exceptional rotational accuracy and system stiffness. Its core advantages include the ability to handle combined radial and axial loads simultaneously, superior high-speed performance enabled by a phenolic cage and ceramic balls, and operation within a wide temperature range. This bearing is the ideal choice for machine tool spindles and other precision equipment where ultimate performance is critical.
7014 ACB/HCP4ATGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Standard bore diameter (70 mm) and dimension series. |
| ACB | Angular Contact Bearing with a 25° contact angle. |
| HCP4A | Indicates the P4A tolerance class for exceptional dimensional and running accuracy, surpassing ABEC 7/ISO P4. |
| TGA | Specifies the use of a phenolic resin cage, which is ideal for high-speed operation due to its light weight and excellent sliding properties. |
7014 ACB/HCP4ATGA Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The angular contact design with a 25° contact angle is optimized to support significant combined loads. When mounted in a universal match (SU) arrangement, the bearing set provides extremely high system rigidity, minimizing deflection under load.
- Superior High-Speed Performance: The combination of a lightweight phenolic cage (TGA) and ceramic balls significantly reduces centrifugal forces and operating temperatures, enabling a high limiting speed of 36,000 rpm. Ceramic balls also contribute to longer service life.
- Exceptional Precision: Manufactured to P4A tolerance class, this bearing guarantees minimal runout and vibration, which is paramount for achieving superior surface finishes and positioning accuracy in precision machinery.
- Wide Operating Range: The specified materials and construction allow for a broad temperature range from -30°C to 110°C, ensuring reliable performance in various operating environments.
7014 ACB/HCP4ATGA Bearing Typical Application Areas
This precision bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles: For CNC machining centers, grinders, and milling machines requiring high speed, rigidity, and accuracy.
- High-Frequency Motors and Spindles: Where minimal friction and heat generation are critical.
- Precision Robotic Drives: In joints and arms that demand high positional repeatability and dynamic response.
- Aerospace and Defense Systems: Including gyroscopes, radar equipment, and other critical rotating assemblies.
