S7014 ACD/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7014 ACD/HCP4ADGA
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
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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In Stock
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S7014 ACD/HCP4ADGA Bearing Product Overview & Core Advantages
The S7014 ACD/HCP4ADGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This sealed bearing features a universal matchable (SU) design, allowing two bearings to be mounted in any configuration (face-to-face, back-to-back, or tandem) for optimal system rigidity. Its ceramic balls and P4A super precision tolerance enable superior high-speed operation and minimal rotational vibration, making it ideal for high-rigidity spindles and precision machinery.
S7014 ACD/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACD | 25° Contact Angle | Optimized for combined radial and axial loads |
| HC | Hybrid Ceramic (Silicon Nitride Balls) | Reduced friction, higher speed capability, and longer service life |
| P4A | ABEC 7 / ISO P4A Super Precision Tolerance | Exceptional running accuracy for high-precision applications |
| DGA | Sealed on Both Sides, Grease Lubricated | Contaminant exclusion and long-term, maintenance-free operation |
S7014 ACD/HCP4ADGA Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: Silicon nitride balls combined with chrome steel rings significantly reduce centrifugal forces, enabling higher limiting speeds (28,000 rpm) and providing electrical insulation properties.
- Phenolic Resin Cage: Offers excellent strength-to-weight ratio and operates smoothly at high speeds with minimal friction.
- Universal Matchable (SU) Design: Provides design flexibility for creating preloaded bearing sets that deliver maximum system stiffness and accuracy.
- Super-Precision P4A Tolerance: Ensures extremely tight dimensional and running accuracy, critical for applications requiring minimal runout and vibration.
- Sealed & Greased for Life: Integrated seals protect against contaminants, and factory-applied grease ensures reliable performance across the specified temperature range (-30°C to 110°C).
S7014 ACD/HCP4ADGA Bearing Typical Application Areas
- High-Speed Machine Tool Spindles (CNC machining centers, grinding spindles)
- Precision Robotic Drives and actuators
- High-Frequency Motors and spindle drives
- Medical and Dental Equipment (high-speed handpieces, scanners)
- Aerospace & Defense instrumentation and guidance systems
