S7007 CE/P4ADT
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7007 CE/P4ADT Bearing Product Overview & Core Advantages
The S7007 CE/P4ADT is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This duplex tandem (DT) arrangement bearing set is preloaded and built to P4A tolerance class standards, ensuring superior running accuracy and minimal vibration. Its primary advantage lies in its ability to handle high-speed operation (up to 56,000 rpm) while providing high rigidity and precise axial positioning, making it ideal for high-precision spindles and other critical machinery components.
S7007 CE/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7007 | Bearing series and size designation (35mm bore, 62mm OD) |
| CE | High-precision phenolic resin cage, optimized for high-speed performance |
| P4A | Precision tolerance class with enhanced dimensional and running accuracy |
| DT | Duplex Tandem arrangement - two bearings matched to increase axial load capacity in one direction |
S7007 CE/P4ADT Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex tandem arrangement and 15° contact angle create a system with exceptional axial stiffness, capable of handling substantial thrust loads while maintaining precision.
Superior High-Speed Performance: The phenolic resin cage (CE) offers excellent strength-to-weight ratio and smooth operation at limiting speeds of 56,000 rpm, reducing centrifugal forces and maintaining stability.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore/OD tolerance: -0.004mm to 0), ensuring minimal runout and vibration for precision applications.
Sealed & Lubricated Design: The sealed construction with factory-applied grease lubrication provides contamination protection and long-term reliability within the specified temperature range (-30°C to 110°C).
S7007 CE/P4ADT Bearing Typical Application Areas
The S7007 CE/P4ADT is specifically engineered for high-performance applications including:
- Machine Tool Spindles - High-speed machining centers and grinding spindles
- Precision Instrumentation - Measuring equipment and laboratory instruments
- High-Speed Motors - Spindle motors and servo drives
- Medical Equipment - Dental handpieces and surgical tools
- Aerospace Components - Guidance systems and auxiliary power units
