S7006 CDTP/HCP4B
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
Ball & Washer Dimensions
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Materials
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S7006 CDTP/HCP4B Bearing Product Overview & Core Advantages
The S7006 CDTP/HCP4B is a precision single-row angular contact ball bearing engineered for high-performance applications demanding exceptional rotational accuracy and rigidity. Its primary advantage lies in its ability to accommodate combined loads—significant radial loads alongside substantial unidirectional axial loads—making it ideal for high-speed spindles and precision machinery. The bearing features a ceramic ball construction and a P4 (ABEC-7) super-precision tolerance, ensuring smooth operation, minimal vibration, and extended service life in demanding conditions.
S7006 CDTP/HCP4B Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| S7006 | Basic bearing series and size designation (30mm bore, 55mm OD, 13mm width) | Defines the core dimensions and series characteristics. |
| C | 15° Contact Angle | Optimized for high-speed operation and axial load capacity. |
| D | High Preload level | Enhances system rigidity and reduces vibration for superior precision. |
| T | Phenolic Resin Cage | Lightweight and robust, suitable for high-speed applications. |
| P | Sealed on both sides | Provides effective contamination exclusion, enhancing reliability. |
| HCP4B | Hybrid Ceramic (Silicon Nitride balls), P4 Tolerance, Lubricated | Signifies the use of ceramic balls for reduced friction, higher speed capability, and the superior running accuracy of P4 class. |
S7006 CDTP/HCP4B Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The use of silicon nitride (Si3N4) ceramic balls with chrome steel rings results in lower density, reduced centrifugal forces, and superior electrical resistance. This directly contributes to higher limiting speeds (38,000 rpm), lower operating temperatures, and extended lubrication life.
High Rigidity & Precision: The specified high preload (D) and P4 super-precision tolerance ensure minimal axial and radial runout. This provides exceptional positioning accuracy and system stiffness, which is critical for machine tool spindles and other high-precision equipment.
Optimized for High-Speed Operation: The combination of the 15° contact angle, lightweight phenolic cage (T), and hybrid ceramic design minimizes friction and heat generation, allowing the bearing to operate reliably at its high limiting speed.
Sealed & Lubricated for Life: The integral seals (P) protect the bearing from contaminants, while the factory-applied high-performance grease provides long-term, maintenance-free operation within the specified temperature range (-30°C to 110°C).
S7006 CDTP/HCP4B Bearing Typical Application Areas
The S7006 CDTP/HCP4B is ideally suited for applications requiring high speed, high precision, and high rigidity. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Motors & Spindles: Where low inertia and high RPM are critical.
- Medical & Dental Equipment: High-speed handpieces and centrifuges.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instrumentation.
