S7003 CE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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Materials
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S7003 CE/HCP4A Bearing Product Overview & Core Advantages
The S7003 CE/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional speed capability and rigidity. This sealed, preloaded single bearing features a ceramic ball and phenolic cage construction, enabling superior performance in high-speed spindle environments. Its design is optimized to handle combined radial and axial loads simultaneously, providing stable and accurate rotational performance critical for machine tool and other precision equipment.
S7003 CE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
- S7003: Basic model number denoting a 17mm bore, 35mm OD, 10mm width angular contact bearing.
- C: Indicates a 15° contact angle, optimized for high-speed operation.
- E: Signifies a reinforced (high-capacity) internal design.
- /HC: Denotes the use of Hybrid Ceramic balls (Silicon Nitride).
- P4: Identifies the P4 (ABEC-7) tolerance class, ensuring ultra-precise dimensional and running accuracy.
- A: Indicates that the bearing is supplied with a specific preload for immediate high-rigidity performance.
S7003 CE/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, lowers operating temperature, and extends bearing service life, especially at very high speeds.
Phenolic Resin Cage: The lightweight and robust phenolic cage ensures excellent dimensional stability and low friction, contributing directly to the high limiting speed of 75,000 rpm.
Preloaded & Sealed: Supplied as a preloaded single bearing, it offers high system rigidity and simplifies installation. The integral seals protect against contamination and retain lubrication, ensuring long-term, maintenance-free operation.
Precision Engineering: Manufactured to P4 tolerance class, this bearing guarantees minimal runout and vibration, which is essential for achieving superior surface finishes and machining accuracy.
S7003 CE/HCP4A Bearing Typical Application Areas
The S7003 CE/HCP4A is ideally suited for high-performance applications where speed, precision, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy positioning systems.
- High-Frequency Motors & Spindles: PCB drilling spindles and dental handpieces.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and navigation equipment.
