7014 CEGATNH/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7014 CEGATNH/P4A
Basic Information
System of measurement
Metric
Weight
0.61 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
Chrome Steel
Cage material
Phenolic
Technical Drawings
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7014 CEGATNH/P4A Bearing Product Overview & Core Advantages
The 7014 CEGATNH/P4A is a single row angular contact ball bearing engineered for applications demanding ultra-high precision and superior running accuracy. Positioned in the P4A tolerance class, this bearing is designed to handle primarily axial loads in one direction, as well as combined loads. Its extra light preload (Class A) minimizes deflection under operational forces, ensuring smooth, precise rotation. The phenolic cage and optimized internal geometry contribute to its excellent high-speed capabilities, making it an ideal choice for high-performance spindles and precision machinery.
7014 CEGATNH/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing designation indicating a 70 mm bore, 110 mm OD, and 20 mm width. |
| CE | Enhanced internal design with a 15° contact angle and optimized internal geometry. |
| GA | Indicates Extra Light Preload (Class A). |
| TNH | Designates a phenolic (synthetic resin) cage, which is lightweight and suitable for high speeds. |
| P4A | Specifies the ultra-precision tolerance class, exceeding standard P4 levels for even tighter running accuracy. |
7014 CEGATNH/P4A Bearing Structural Features & Performance Benefits
- Ultra-Precision Performance: Manufactured to P4A tolerance class with extremely tight dimensional and running accuracy tolerances, this bearing ensures minimal vibration and exceptional rotational precision for the most demanding applications.
- High-Speed Capability: The lightweight phenolic cage (TNH) reduces centrifugal forces and allows for a high limiting speed of 27,000 rpm. The optimized internal design with a 15° contact angle further enhances high-speed stability.
- Optimized Preload: The extra light preload (Class A) is applied to minimize axial and radial play, increasing system rigidity and positioning accuracy without generating excessive heat or friction.
- Universal Matching (SU): This bearing is universally matchable, allowing for precise arrangement in sets (up to 4 bearings) to achieve specific preloads and stiffness characteristics for complex spindle designs.
- Robust Load Capacity: Constructed from chrome steel for both rings and balls, it offers a high dynamic load rating of 5355 lbf and a static load rating of 4118 lbf, providing reliable performance under significant loads.
7014 CEGATNH/P4A Bearing Typical Application Areas
This ultra-precision angular contact ball bearing is specifically designed for high-performance machinery where accuracy and speed are critical. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- Medical Equipment: Dental handpieces, centrifuges, and imaging devices.
- Aerospace & Defense: Gyroscopes, radar systems, and navigation instruments.
- High-Frequency Motors and Spindles: Where minimal runout and high rotational accuracy are required.
