S7014 ACD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7014 ACD/HCP4A
Basic Information
System of measurement
Metric
Weight
0.51 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.008mm to 0
Width
20 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° to 110 °C
Radial dynamic load rating
10980 lbf
Radial static load rating
9900 lbf
Limiting speed
13 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
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
Price:
$ 611.71
/ each
In Stock
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S7014 ACD/HCP4A Bearing Product Overview & Core Advantages
The S7014 ACD/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and reliability. This single-row bearing is distinguished by its ceramic balls and P4 (ABEC-7) tolerance class, enabling superior high-speed performance and minimal rotational vibration. Its 25° contact angle is optimized to handle significant combined loads—both radial and axial—making it an ideal, compact solution for high-rigidity spindle systems. The bearing comes prelubricated and sealed, ensuring long-term performance with minimal maintenance.
S7014 ACD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number S7014 ACD/HCP4A provides detailed technical specifications through its suffixes:
- S: Denotes a bearing with a super-precision tolerance designation.
- 7014: Standard designation indicating a medium series bearing with a 70mm bore and 110mm outside diameter.
- AC: Signifies an Angular Contact design with a defined contact angle (25° in this case).
- D: Indicates the bearing is supplied with a preload for enhanced rigidity.
- HCP4A: A composite suffix where HC signifies Hybrid Ceramic balls, and P4A confirms the P4 tolerance class with specific internal running accuracy enhancements.
S7014 ACD/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The use of ceramic balls with a chrome steel ring significantly reduces centrifugal forces, lowers operating temperature, and extends service life, especially at high speeds (up to 13,000 rpm).
- High Rigidity & Load Capacity: The 25° contact angle and availability of preload provide high system stiffness, enabling the bearing to effectively support combined radial and axial loads (Dynamic: 10,980 lbf, Static: 9,900 lbf).
- Superior High-Speed Performance: The combination of a lightweight phenolic resin cage, hybrid ceramic components, and precision P4 grading allows for stable operation at the maximum limiting speed.
- Sealed & Lubricated for Longevity: The integral seals protect against contamination, and the factory-applied lubrication is suitable for a wide operating temperature range of -30°C to 110°C, ensuring reliability and reducing maintenance needs.
S7014 ACD/HCP4A Bearing Typical Application Areas
The S7014 ACD/HCP4A is ideally suited for high-performance machinery where precision and speed are critical. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Motors & Spindles: Motors for CNC machinery and PCB drilling.
- Medical Equipment: High-speed centrifuges and dental handpieces.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and navigation instruments.
