S71914 CE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S71914 CE/HCP4ADGA
Basic Information
System of measurement
Metric
Weight
0.55 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
100 mm
Outside diameter tolerance
-0.004mm to 0
Width
32 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
8055 lbf
Radial static load rating
7200 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Grease
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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S71914 CE/HCP4ADGA Bearing Product Overview & Core Advantages
The S71914 CE/HCP4ADGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. Engineered to simultaneously handle combined loads (radial and axial loads in both directions), this bearing features a universal matchable (SU) design, allowing two bearings to be paired for optimal performance. Its construction with ceramic balls and P4A super precision tolerance ensures superior high-speed capability and operational stability, making it ideal for high-rigidity support systems.
Model Code Breakdown
| Suffix Code | Technical Meaning |
|---|---|
| S | Stainless Steel Bearing Ring Material (Note: Specification indicates Chrome Steel, "S" may denote special precision series) |
| 71914 | Bearing series and size designation (70mm bore, 100mm OD, 32mm width) |
| CE | Contact angle of 15° and enhanced internal design |
| HC | Hybrid Ceramic (Ceramic balls with steel rings) |
| P4A | Super precision tolerance class (superior to ABEC 7) |
| DGA | Sealed design with grease lubrication |
S71914 CE/HCP4ADGA Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: Silicon nitride ceramic balls provide reduced friction, higher limiting speed (28,000 rpm), and extended service life compared to all-steel bearings.
- Phenolic Resin Cage: Offers excellent dimensional stability at high speeds, contributing to smooth operation and reduced vibration.
- Super Precision P4A Tolerance: Ensures minimal runout and superior rotational accuracy for high-precision applications.
- Universal Matchable Design (SU): Enables precise bearing pairing without selective matching, simplifying installation and ensuring optimal preload and stiffness.
- Sealed & Grease-Lubricated: Provides contamination protection and maintenance-free operation within the specified temperature range (-30°C to 110°C).
- High Rigidity & Load Capacity: The 15° contact angle and optimized internal geometry deliver excellent combined load capacity (Radial dynamic: 8055 lbf, Static: 7200 lbf).
S71914 CE/HCP4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers and precision grinding spindles
- Industrial Pumps & Compressors: For handling combined loads at elevated speeds
- Precision Instruments: Medical equipment, optical scanners, and measuring devices
- Robotics & Automation: High-accuracy robotic arms and positioning systems
- Aerospace Components: Auxiliary systems requiring high reliability and speed
