S7006 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7006 CD/HCP4A Bearing Product Overview & Core Advantages
The S7006 CD/HCP4A is a high-precision, single-row angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. Its design is optimized to support combined loads, handling significant radial loads and axial loads in one direction simultaneously. A key feature is the availability of preload, which enhances system rigidity and rotational accuracy. Manufactured to the exacting P4 (ABEC-7) tolerance class and featuring ceramic balls, this bearing is the ideal choice for high-speed spindles and other precision machinery where reliability and long service life are paramount.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| S7006 | Basic bearing series and size designation (30mm bore, 55mm OD, 13mm width). |
| C | Specifies a 15° contact angle, optimized for high-speed operation. |
| D | Indicates a high preload for maximum rigidity. |
| HC | Refers to the Hybrid Ceramic construction, featuring steel rings and ceramic balls. |
| P4 | Denotes the P4 (ABEC-7) tolerance class, ensuring ultra-precision. |
| A | Indicates the bearing is lubricated and sealed. |
S7006 CD/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The use of ceramic balls (Silicon Nitride) within a chrome steel ring structure significantly reduces centrifugal forces, lowers operating temperature, and extends bearing life, especially under high-speed conditions. This construction also provides superior resistance to electrical erosion.
High Rigidity & Precision: The combination of a 15° contact angle and the application of a high preload (D) results in exceptional system stiffness and minimal axial/radial runout, which is critical for maintaining precision in machining and positioning applications.
Optimized High-Speed Performance: The lightweight phenolic resin cage and ceramic balls work in concert to reduce inertia, enabling the bearing to achieve its impressive limiting speed of 38,000 rpm.
Sealed & Lubricated for Reliability: The integrated seals protect against contamination, and the factory-applied, high-performance grease is suitable for a wide operating temperature range from -30°C to 110°C, ensuring long-term, maintenance-free operation.
S7006 CD/HCP4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Motors & Spindles: Where extreme rotational speeds and low vibration are required.
- Medical & Dental Equipment: High-speed handpieces and scanners.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instrumentation.
