S7002 CE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7002 CE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.026 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
15 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
32 mm
Outside diameter tolerance
-0.006mm to 0
Width
9 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
12
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
994 lbf
Radial static load rating
434 lbf
Limiting speed
83 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:
$ 91.02
/ each
In Stock
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S7002 CE/HCP4A Bearing Product Overview & Core Advantages
The S7002 CE/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and reliability. This single-row bearing is distinguished by its ceramic balls and P4 (ABEC-7) super-precision tolerance, enabling superior high-speed performance and minimal vibration. Its design is optimized to handle combined radial and axial loads simultaneously, making it an ideal solution for high-rigidity, high-RPM spindle systems where precision is paramount.
S7002 CE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number S7002 CE/HCP4A is decoded as follows:
- S7002: Denotes the bearing series and size (15mm bore, 32mm OD, 9mm width).
- C: Signifies a 15° contact angle, optimized for high-speed operation.
- E: Indicates an optimized internal design, often for enhanced performance.
- HCP4A: A composite suffix.
- HC: Denotes the use of Hybrid Ceramic balls (silicon nitride).
- P4: Specifies a P4 tolerance class (ABEC-7), ensuring ultra-precision.
- A: Indicates a specific internal clearance or preload category.
S7002 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 service life, especially at very high speeds (up to 83,000 rpm).
- Super-Precision P4 Tolerance: Manufactured to the tightest dimensional and running accuracy standards, this ensures smooth, quiet operation with minimal runout, critical for high-precision machining.
- Phenolic Resin Cage: The lightweight and robust phenolic cage provides excellent guidance for the ceramic balls, contributing to stability and high-speed capability.
- Optimized 15° Contact Angle: This design offers an excellent balance between radial load capacity and axial load capacity, making it suitable for applications with significant thrust loads.
- Pre-lubricated & Sealed: Comes pre-greased and sealed for life, protecting against contamination and ensuring consistent performance without the need for maintenance.
S7002 CE/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- High-Frequency CNC Spindles for milling, grinding, and drilling
- Precision Machine Tool Mandrels
- High-Speed Robotic Drives and actuators
- Advanced Dental and Medical Handpieces
- Aerospace Instrumentation and gyroscopes
