S71906 CE/HCP4ADT
Hybrid Ceramic Super Precision Bearings
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Basic Information
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Ball & Washer Dimensions
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S71906 CE/HCP4ADT Bearing Product Overview & Core Advantages
The S71906 CE/HCP4ADT is a super-precision angular contact ball bearing designed for the most demanding high-speed and high-rigidity applications. This matched duplex set in a Tandem (DT) arrangement is engineered to handle significant combined loads, offering exceptional rotational accuracy and operational reliability. Its construction with ceramic balls and a phenolic cage enables superior performance under extreme conditions, making it an ideal choice for advanced machinery requiring maximum precision and speed.
S71906 CE/HCP4ADT Bearing Model Code Explained, Specifications & Naming Convention
- S7: High-precision bearing series
- 1906: Standard size designation (30mm bore, 47mm OD, 18mm width)
- CE: Specific internal design and clearance
- HC: Hybrid Ceramic (steel rings with ceramic balls)
- P4A: Extra-high precision tolerance class (exceeding ABEC 7)
- DT: Duplex Tandem arrangement - two bearings matched for axial load in one direction
S71906 CE/HCP4ADT Bearing Structural Features & Performance Benefits
Enhanced Rigidity & Load Capacity: The duplex tandem configuration provides exceptional stiffness, enabling the bearing to withstand heavy combined radial and axial loads while maintaining precise shaft positioning.
Superior High-Speed Performance: The combination of ceramic balls (reducing centrifugal forces and friction) and a lightweight phenolic cage allows for extremely high limiting speeds up to 100,500 rpm with minimal heat generation.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore/OD tolerance: -0.004mm to 0), ensuring minimal runout and vibration for ultra-precise applications.
Preloaded Design: The bearings are supplied as a preloaded matched set, eliminating internal clearance and providing immediate high rigidity without requiring additional adjustment during installation.
S71906 CE/HCP4ADT Bearing Typical Application Areas
The S71906 CE/HCP4ADT excels in applications demanding the highest levels of precision and speed:
- High-frequency machining spindles for CNC milling and grinding machines
- Precision tool holders and high-speed routing systems
- Advanced dental and medical drilling equipment
- Aerospace gyroscopes and navigation systems
- High-performance robotics and automation systems
- Semiconductor manufacturing equipment
