S7014 ACD/HCP4ADT
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7014 ACD/HCP4ADT
Basic Information
System of measurement
Metric
Weight
1.02 kg
Tolerance class
P4A
Seal type
Sealed
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
12.7 mm
Ball quantity
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
17842 lbf
Radial static load rating
19462 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Grease
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
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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S7014 ACD/HCP4ADT Bearing Product Overview & Core Advantages
The S7014 ACD/HCP4ADT is a precision angular contact ball bearing designed for demanding applications requiring exceptional performance. This matched duplex tandem (DT) arrangement consists of two bearings preloaded against each other, delivering superior high rigidity and axial stiffness. Engineered with ceramic balls and a phenolic cage, it achieves outstanding high-speed capabilities and can handle significant combined loads. The sealed design with grease lubrication ensures long-term, maintenance-free operation, making it ideal for high-precision, high-reliability machinery.
S7014 ACD/HCP4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ACD | Angular Contact, Duplex Tandem Arrangement | Provides optimized axial rigidity and load capacity in one direction. |
| HC | Hybrid Ceramic (Silicon Nitride Balls) | Enables higher speeds, reduced friction, and longer service life. |
| P4A | High Precision Tolerance Class (ABEC 7 / ISO P4) | Ensures exceptional running accuracy for precision applications. |
S7014 ACD/HCP4ADT Bearing Structural Features & Performance Benefits
- High Rigidity & Axial Stiffness: The duplex tandem (DT) arrangement with preload creates a highly rigid bearing system capable of resisting significant axial forces and moments, ensuring precise shaft positioning.
- Superior Load Capacity: The 25° contact angle and robust design enable high radial dynamic load rating (17,842 lbf) and radial static load rating (19,462 lbf), making it suitable for applications with substantial combined loads.
- Exceptional High-Speed Performance: The combination of lightweight phenolic resin cage and low-density ceramic balls reduces centrifugal forces, allowing for a high limiting speed of 28,000 rpm.
- Maintenance-Free Operation: The integral seals and factory-applied grease lubrication protect against contamination and provide long-term, reliable performance without the need for re-lubrication within the specified temperature range (-30°C to 110°C).
S7014 ACD/HCP4ADT Bearing Typical Application Areas
- High-Speed Machine Tool Spindles for milling, grinding, and turning centers
- Precision Spindles in PCB drilling and routing equipment
- High-Performance Pumps and Compressors
- Advanced Robotics and automated handling systems
- Aerospace Actuation Systems and auxiliary power units
