7014 ACE/HCPA9AH1
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7014 ACE/HCPA9AH1
Basic Information
System of measurement
Metric
Weight
0.56 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
20 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
5062 lbf
Radial static load rating
3892 lbf
Limiting speed
29 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
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/HCPA9AH1 Bearing Product Overview & Core Advantages
The 7014 ACE/HCPA9AH1 is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This single-row bearing features a 25° contact angle and is supplied with a preload, enabling it to handle combined radial and axial loads simultaneously. Manufactured to an ultra-precise PA9A tolerance class, it delivers superior running accuracy, high rigidity, and reliable operation in high-speed environments up to 29,000 rpm. The combination of a phenolic cage and ceramic balls contributes to its outstanding performance characteristics.
7014 ACE/HCPA9AH1 Bearing Model Code Explained, Specifications & Naming Convention
The model number 7014 ACE/HCPA9AH1 provides detailed technical specifications:
- 7014: Basic bearing series; 70mm bore, 110mm OD, 20mm width.
- A: Denotes a 25° contact angle.
- C: Indicates the bearing is manufactured to a high-precision tolerance class.
- E: Signifies a preload is applied.
- /HCPA9AH1: A manufacturer-specific suffix indicating the bearing is part of a matched set (2 bearings) for optimized performance when used in pairs.
7014 ACE/HCPA9AH1 Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The PA9A tolerance class ensures minimal runout and vibration, providing the stability required for ultra-precise applications. The applied preload further enhances system rigidity.
- Superior High-Speed Performance: The lightweight phenolic resin cage and low-density ceramic balls reduce centrifugal forces, allowing for the high limiting speed of 29,000 rpm.
- Excellent Load Capacity: The 25° contact angle is optimized to support significant combined loads, including heavy axial loads in one direction.
- Reduced Friction and Wear: Ceramic balls offer lower thermal expansion, higher hardness, and improved corrosion resistance compared to steel, leading to longer service life and consistent performance.
7014 ACE/HCPA9AH1 Bearing Typical Application Areas
This bearing is engineered for high-performance machinery where precision, speed, and reliability are critical. Typical applications include:
- Machine Tool Spindles for high-speed milling and grinding
- Precision Gearboxes and transmission systems
- High-Frequency Motors and spindles
- Medical and Laboratory Equipment requiring quiet and accurate rotation
- Aerospace Actuation Systems
