7014 CEGA/HCP4AH1
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7014 CEGA/HCP4AH1
Basic Information
System of measurement
Metric
Weight
0.56 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
20 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
5355 lbf
Radial static load rating
4118 lbf
Limiting speed
27 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
4
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 CEGA/HCP4AH1 Bearing Product Overview & Core Advantages
The 7014 CEGA/HCP4AH1 is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single bearing features a 15° contact angle and is supplied as part of a universally matchable (SU) set of 4, enabling flexible configurations to achieve optimal stiffness and load capacity. Its construction with ceramic balls and a phenolic cage contributes to superior high-speed capabilities, reduced weight, and extended service life, making it ideal for high-reliability, precision machinery.
7014 CEGA/HCP4AH1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Standard bearing series designation, indicating a 70mm bore, 110mm OD, and 20mm width. |
| CE | Indicates the use of Hybrid Ceramic components (Ceramic balls with steel rings). |
| GA | Specifies an Extra Light (Class A) preload for minimal friction and high-speed operation. |
| HCP4A | Denotes a P4A tolerance class for extremely high running accuracy, combined with a Phenolic Resin Cage (the "HC" portion). |
7014 CEGA/HCP4AH1 Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride (Si3N4) ceramic balls significantly reduces centrifugal forces, lowers operating temperatures, and enables a limiting speed of 27,000 rpm. This also provides inherent electrical insulation and superior performance in lubricant-starved conditions.
- Phenolic Resin Cage: The lightweight and robust phenolic cage contributes to smooth operation at high speeds, excellent dimensional stability, and resistance to centrifugal forces.
- High-Precision P4A Tolerance: Manufactured to ABEC 7 / P4A precision standards, this bearing ensures minimal runout and vibration, which is critical for applications requiring supreme rotational accuracy.
- Optimized Load Capacity: The 15° contact angle is designed to handle significant combined (radial and axial) loads simultaneously, with a dynamic load rating of 5355 lbf and a static load rating of 4118 lbf.
- Universal Matching (SU): Supplied as a set of four bearings that are universally matchable, allowing for any combination to be mounted together (DB, DF, DT) without pre-load loss, offering immense flexibility in machine design.
7014 CEGA/HCP4AH1 Bearing Typical Application Areas
This high-performance bearing is specifically designed for advanced machinery where speed, precision, and rigidity are paramount. Key applications include:
- High-Frequency Machine Tool Spindles (e.g., for milling, grinding, and drilling)
- Precision Robotic Arms and Gearboxes
- High-Speed Motors and Turbomachinery
- Advanced Medical and Laboratory Equipment (e.g., centrifuges)
- Aerospace Actuation Systems
