7014 CE/P4ADT
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7014 CE/P4ADT
Basic Information
System of measurement
Metric
Weight
1.22 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
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
8775 lbf
Radial static load rating
8212 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
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 CE/P4ADT Bearing Product Overview & Core Advantages
The 7014 CE/P4ADT is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and rigidity. This duplex tandem (DT) arrangement bearing set is preloaded and manufactured to the stringent P4A tolerance class, ensuring superior running accuracy and minimal vibration. Its primary advantage lies in its ability to handle significant combined loads (radial and axial) in one direction with high stiffness, making it an ideal solution for high-precision spindles and other critical machinery components where positional accuracy is paramount.
7014 CE/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing series, defining the standard dimensions: 70mm bore, 110mm OD, 40mm width. |
| CE | Indicates a 15° contact angle, optimized for high axial load capacity and high-speed operation. |
| P4A | Specifies the high-precision tolerance class, exceeding standard ABEC 7/ISO P4 levels for enhanced running accuracy. |
| DT | Denotes a Duplex Tandem matched set of two bearings. This configuration increases axial load capacity and system rigidity in one direction. |
7014 CE/P4ADT Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex tandem arrangement and 15° contact angle create an exceptionally rigid bearing system capable of supporting high combined radial and axial loads.
- Precision Performance: Manufactured to P4A tolerance class with a phenolic resin cage, this bearing ensures smooth operation, low noise, and minimal runout, which is critical for high-speed applications.
- Optimized for Speed: The lightweight phenolic cage and precision-ground chrome steel components contribute to a high limiting speed of 22,000 rpm, suitable for demanding spindle applications.
- Preload & Matched Set: Supplied as a preloaded, matched pair (DT), these bearings are ready for installation, simplifying assembly and guaranteeing optimal performance and stiffness directly from the factory.
7014 CE/P4ADT Bearing Typical Application Areas
This bearing is engineered for high-performance machinery where precision and rigidity are non-negotiable. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: For PCB drilling, engraving, and other high-accuracy machining processes.
- High-Frequency Motors: Where minimal vibration and high rotational accuracy are required.
- Robotic Drives: Particularly in high-accuracy joints and arm assemblies.
