S7007 ACE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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S7007 ACE/HCP4ADGA Bearing Product Overview & Core Advantages
The S7007 ACE/HCP4ADGA is a high-precision double row angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and reliability. Its design enables it to simultaneously support significant combined loads (radial and bidirectional axial loads) with high rigidity. Featuring a P4A super-precision tolerance, ceramic balls, and a phenolic cage, this bearing is optimized for high-speed operation and offers superior performance in critical machinery.
S7007 ACE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7007 | Basic bearing series and size designation (35mm bore, 62mm OD). |
| ACE | 25° contact angle and specific internal design. |
| HC | Hybrid Ceramic construction (ceramic balls with steel rings). |
| P4A | Super-precision tolerance class, exceeding ABEC 7/ISO P4 standards. |
| DGA | Universal Matchable (SU arrangement), supplied as a pre-set pair. |
S7007 ACE/HCP4ADGA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row angular contact design provides a rigid support system, capable of handling high combined loads from multiple directions. The 25° contact angle is optimized for sustaining substantial axial loads.
High-Speed Performance: The combination of lightweight ceramic balls and a phenolic resin cage significantly reduces centrifugal forces and inertial mass, enabling a high limiting speed of 41,000 rpm. This makes it an ideal high-speed bearing.
Precision & Longevity: Manufactured to a P4A tolerance class, this bearing ensures minimal runout and vibration for ultra-precise applications. The sealed construction and pre-applied grease lubrication protect against contamination and provide maintenance-free operation within a wide temperature range.
S7007 ACE/HCP4ADGA Bearing Typical Application Areas
The S7007 ACE/HCP4ADGA is ideally suited for high-performance machinery where precision, speed, and reliability are paramount. Key applications include:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Instrumentation
- High-Frequency Motors and Spindle Drives
- Aerospace & Defense Systems
