S7214 CDGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7214 CDGA/HCP4A Bearing Product Overview & Core Advantages
The S7214 CDGA/HCP4A is a super-precision double row angular contact ball bearing engineered for applications demanding exceptional rotational accuracy and high rigidity. Featuring a 15° contact angle and P4A tolerance class, it is designed to handle combined radial and axial loads simultaneously. Its compact design, utilizing ceramic balls and a phenolic cage, makes it ideal for high-speed operation up to 28,000 rpm, offering superior performance in demanding industrial environments.
S7214 CDGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
- S7: High-precision bearing series
- 214: Standard dimension series (Bore: 70mm, OD: 125mm, Width: 24mm)
- CDGA: Contact angle designation (15°) and preload classification (Extra light / Class A)
- HCP4A: Universal Matchable (SU) set designation with P4A tolerance class
S7214 CDGA/HCP4A Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row design provides enhanced rigidity, enabling stable support under combined loads. With a dynamic load rating of 15,502 lbf and static load rating of 13,162 lbf, it reliably handles significant radial and axial forces.
Superior High-Speed Performance: The combination of ceramic balls (reducing centrifugal forces) and a lightweight phenolic cage allows for a high limiting speed of 28,000 rpm, minimizing heat generation and power loss.
Precision & Longevity: Manufactured to P4A tolerance class with a universal matching designation (SU), it ensures precise alignment and smooth operation in matched sets of 3 bearings. The sealed construction with grease lubrication offers consistent performance within a temperature range of -30°C to 110°C.
S7214 CDGA/HCP4A Bearing Typical Application Areas
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- Industrial Pumps & Compressors
- Advanced Robotics & Automation Systems
