S71914 ACE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S71914 ACE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.28 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
100 mm
Outside diameter tolerance
-0.008mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
22
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
4680 lbf
Radial static load rating
3442 lbf
Limiting speed
20 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:
$ 849.85
/ each
In Stock
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S71914 ACE/HCP4A Bearing Product Overview & Core Advantages
The S71914 ACE/HCP4A is a single-row angular contact ball bearing engineered for high-precision applications demanding exceptional speed and rigidity. This metric precision bearing features a 25° contact angle and is supplied with a preload, enabling it to handle significant combined radial and axial loads simultaneously. Its construction with ceramic balls and a phenolic cage contributes to lower friction, higher limiting speeds, and extended service life, making it an ideal choice for high-speed spindles and other critical machinery.
S71914 ACE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| ACE | Specific internal design and contact angle (25°) | Optimized for high axial load capacity and rigidity. |
| HC | Hybrid Ceramic (Silicon Nitride balls) | Enables higher speeds, reduced heat generation, and longer life. |
| P4A | ABEC-7 / ISO P4 Tolerance Class | Guarantees ultra-precision running accuracy for demanding applications. |
S71914 ACE/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The 25° contact angle and application of preload provide superior stiffness, allowing the bearing to effectively support combined loads (radial and axial) with minimal deflection.
- Superior High-Speed Performance: The combination of lightweight phenolic resin cage and low-density ceramic balls significantly reduces centrifugal forces, enabling a high limiting speed of 20,000 rpm.
- Enhanced Durability and Temperature Resistance: Ceramic balls are harder and more wear-resistant than steel, and the phenolic cage can withstand higher operating temperatures, contributing to exceptional reliability.
- Precision Engineering: Manufactured to P4 (ABEC-7) tolerance, this bearing ensures minimal runout and vibration, which is critical for maintaining accuracy in high-precision machinery.
S71914 ACE/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles: High-speed machining centers, grinding spindles.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- Medical Equipment: Dental handpieces, high-speed centrifuges.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instruments.
