707 CE/P4ADBA
Miniature Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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707 CE/P4ADBA Bearing Product Overview & Core Advantages
The 707 CE/P4ADBA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. This duplex bearing is supplied as a matched pair in a Back-to-Back (DB) arrangement, providing superior stability and the ability to accommodate combined loads (radial and axial). Manufactured to the stringent P4A tolerance class, it is engineered for high-performance scenarios requiring precise shaft guidance and minimal runout. Its preloaded, duplex configuration ensures high system rigidity and is optimized for high-speed operation.
707 CE/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 707 | Basic bearing series, defining the cross-sectional dimensions. |
| C | Specifies a 15° contact angle, optimized for high-speed applications and axial load capacity. |
| E | Indicates a reinforced (or optimized) internal design. |
| P4A | Denotes a high-precision tolerance class with enhanced running accuracy requirements. |
| DB | Specifies the Duplex Back-to-Back mounting arrangement of the matched pair. |
| A | Indicates a specific, light preload applied to the matched set. |
707 CE/P4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The Back-to-Back (DB) duplex arrangement creates a wide, rigid support system that effectively resists moment loads, making it ideal for applications where shaft deflection must be minimized.
- Superior Precision: Manufactured to P4A tolerance class, this bearing ensures extremely tight dimensional and running accuracy, contributing to the overall precision of the machine or instrument.
- Optimized High-Speed Performance: The 15° contact angle and lightweight phenolic resin cage are designed to reduce centrifugal forces and friction, enabling stable operation at the high limiting speed of 230,000 rpm.
- Combined Load Capacity: As an angular contact ball bearing, it is engineered to handle significant radial loads and axial loads in one direction simultaneously.
- Material Integrity: Constructed from high-grade chrome steel for both rings and balls, ensuring long-term durability and performance under demanding conditions.
707 CE/P4ADBA Bearing Typical Application Areas
The 707 CE/P4ADBA is ideally suited for high-precision, high-speed machinery and systems, including:
- Machine Tool Spindles (e.g., for grinding, milling, and drilling)
- Precision Rotary Systems
- High-Frequency Spindles
- Medical and Dental Handpieces
- Advanced Robotics and Automation
