S7014 ACB/HCP4AQGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7014 ACB/HCP4AQGA
Basic Information
System of measurement
Metric
Weight
2.5 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
80 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
28
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
10688 lbf
Radial static load rating
13950 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Grease
Matched arrangement
Universal Matchable (SU)
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
No drawings available at the moment, will be launched soon
In Stock
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S7014 ACB/HCP4AQGA Bearing Product Overview & Core Advantages
The S7014 ACB/HCP4AQGA is a super-precision double row angular contact ball bearing engineered for the most demanding applications. Its core advantage lies in its ability to handle combined loads (radial and bidirectional axial loads) simultaneously with exceptional accuracy and rigidity. Featuring a universal matchable (SU) design, it allows for flexible mounting arrangements in sets. The combination of a ceramic ball material and a P4A tolerance class ensures superior high-speed performance, thermal stability, and extended service life, making it ideal for high-reliability, high-precision machinery.
S7014 ACB/HCP4AQGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| ACB | 25° Contact Angle, Universal Matchable (SU) design | Optimized for high axial load capacity and flexible mounting in sets. |
| HCP4A | Hybrid Ceramic Balls, P4A Tolerance Class | Enables higher speeds, reduced friction, and superior running accuracy. |
| QGA | Sealed, Grease Lubricated | Provides long-term, maintenance-free operation by retaining lubricant and excluding contaminants. |
S7014 ACB/HCP4AQGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row angular contact design provides a rigid support system, capable of handling significant combined loads and bidirectional axial loads.
- Superior High-Speed Performance: The use of ceramic balls (Hybrid design) significantly reduces centrifugal forces and friction, while the phenolic cage offers excellent strength-to-weight ratio, collectively contributing to a high limiting speed of 28,000 rpm.
- Exceptional Precision: Manufactured to P4A tolerance class with an extra light preload, this bearing guarantees minimal runout and vibration for ultra-precise applications.
- Maintenance-Free & Long Life: The sealed construction and factory-applied grease lubrication protect the bearing from contamination and provide reliable operation across a wide temperature range without the need for re-lubrication.
S7014 ACB/HCP4AQGA Bearing Typical Application Areas
This bearing is ideally suited for high-performance machinery requiring maximum precision and speed, including:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Instrumentation
- High-Frequency Motors and Spindles
- Aerospace & Defense Systems
- Medical Equipment (e.g., high-speed dental handpieces)
