7014 ACE/HCP4AH1DBA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7014 ACE/HCP4AH1DBA
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 Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
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 ACE/HCP4AH1DBA Bearing Product Overview & Core Advantages
The 7014 ACE/HCP4AH1DBA is a precision duplex angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high rigidity. This P4A tolerance class bearing features a back-to-back (DB) matched arrangement, enabling it to withstand combined radial and axial loads from both directions. Its construction with a phenolic cage and ceramic balls makes it ideally suited for high-speed operation and scenarios requiring superior performance under demanding conditions.
7014 ACE/HCP4AH1DBA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing designation: 70mm bore, 110mm OD, 40mm width. |
| ACE | Angular Contact design, 25° contact angle. |
| HC | Hybrid Ceramic: Ceramic balls with steel rings. |
| P4A | High precision tolerance class. |
| H1 | Preload: Extra light (Class A). |
| DB | Matched set arrangement: Duplex Back-to-Back. |
| A | Contact angle of 25°. |
7014 ACE/HCP4AH1DBA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex back-to-back (DB) arrangement creates a rigid bearing system that effectively resists moment loads and supports combined loads. This configuration significantly enhances the operational stability of the shaft.
- Superior High-Speed Performance: The combination of a lightweight phenolic cage and low-density ceramic balls reduces centrifugal forces, enabling a high limiting speed of 29,000 rpm. This makes it an excellent high-speed bearing solution.
- Reduced Friction and Wear: Hybrid ceramic construction (steel rings, ceramic balls) offers lower friction, reduced heat generation, and extended service life compared to all-steel bearings, especially at high speeds.
- Precision Operation: Manufactured to P4A tolerance class, this bearing ensures minimal runout and vibration, which is critical for applications requiring high rotational accuracy.
7014 ACE/HCP4AH1DBA Bearing Typical Application Areas
This precision angular contact ball bearing is engineered for high-performance machinery, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Aerospace Actuators and Control Systems
- High-Speed Pumps and Compressors
