S7014 CEGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7014 CEGA/HCP4A
Basic Information
System of measurement
Metric
Weight
0.59 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
20 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
5355 lbf
Radial static load rating
4118 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
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
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In Stock
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S7014 CEGA/HCP4A Bearing Product Overview & Core Advantages
The S7014 CEGA/HCP4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. Engineered to simultaneously handle combined radial and axial loads, this bearing features a single, universal matchable design with an Extra Light (Class A) preload for superior running accuracy and rigidity. Its construction with ceramic balls and a phenolic cage contributes to high-speed capability, reduced weight, and extended service life, making it an ideal choice for high-reliability, high-rotational speed machinery.
S7014 CEGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The S7014 CEGA/HCP4A model code provides detailed technical specifications:
- S7014: Basic bearing series and size designation (70mm Bore, 110mm OD).
- C: 15° Contact Angle, optimized for high-speed applications with combined loads.
- E: High-Grade Chrome Steel rings for durability and fatigue resistance.
- G: Indicates the use of Grease lubrication.
- A: Specifies Extra Light preload (Class A) for minimal friction and high precision.
- HCP4A: Denotes the Universal Matchable (SU) designation and P4A tolerance class, ensuring ultra-precise dimensional and running accuracy for matched sets.
S7014 CEGA/HCP4A Bearing Structural Features & Performance Benefits
- High-Speed Performance & Rigidity: The combination of a phenolic resin cage and lightweight ceramic balls (Silicon Nitride) significantly reduces centrifugal forces, enabling a high limiting speed of 22,000 rpm. The 15° contact angle and Class A preload provide high system rigidity and precise shaft positioning.
- Superior Load Capacity: Designed to accommodate combined radial and axial loads simultaneously. The optimized internal geometry and high-grade materials provide a dynamic load rating of 5355 lbf and a static load rating of 4118 lbf.
- Precision and Longevity: Manufactured to ABEC 7 / P4A tolerance class, this bearing guarantees exceptional running accuracy. The universal matchable (SU) design allows any number of bearings to be mounted together without selective assembly, simplifying installation and maintaining performance.
- Sealed & Pre-Lubricated: The bearing is sealed and pre-lubricated with high-performance grease, offering protection from contaminants and providing maintenance-free operation within the specified temperature range of -30°C to 110°C.
S7014 CEGA/HCP4A Bearing Typical Application Areas
This precision bearing is ideally suited for applications requiring high speed, high rigidity, and exceptional accuracy, including:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Robotics and Automation Equipment
- High-Frequency Motors and Spindles
- Medical and Dental Equipment (Centrifuges, Handpieces)
- Aerospace Instrumentation and Control Systems
