S7014 ACE/HCP4ATGA
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7014 ACE/HCP4ATGA Bearing Product Overview & Core Advantages
The S7014 ACE/HCP4ATGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and reliability. This sealed bearing features a universal matchable (SU) design, allowing bearings to be paired in any combination to achieve the required preload and rigidity. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and reduced rotational mass. The P4A tolerance class ensures ultra-precision operation, making it ideal for applications where high rigidity and minimal runout are critical.
S7014 ACE/HCP4ATGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Advantage |
|---|---|---|
| S7014 | Basic bearing series and size designation (70mm Bore, 110mm OD, 60mm Width) | Defines the core bearing dimensions. |
| ACE | Specific internal design and contact angle (25°) | Optimized for handling combined loads. |
| HC | Hybrid Ceramic (Silicon Nitride balls) | Enables higher speeds, reduced friction, and longer service life. |
| P4A | Tolerance class (Super Precision) | Guarantees ultra-high running accuracy for precision bearing applications. |
| TGA | Sealed and pre-greased | Provides contamination protection and is lubricated for life, ensuring maintenance-free operation. |
S7014 ACE/HCP4ATGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The use of ceramic balls significantly reduces centrifugal forces and friction, directly contributing to the high limiting speed of 22,000 rpm. This also results in lower operating temperatures and extended lubricant life.
Phenolic Resin Cage: The lightweight and robust phenolic cage offers excellent dimensional stability at high speeds and is well-suited for the demanding conditions of high-speed bearings.
Universal Matchable (SU) Design: This feature allows for flexible mounting arrangements. Bearings can be universally matched in sets (this bearing is part of a 3-bearing set) to create a pre-loaded system, delivering superior stiffness and rotational accuracy.
25° Contact Angle & Sealed Construction: The 25° contact angle is optimized to handle significant axial loads in one direction along with radial loads. The integral seals protect against contaminants and retain grease, making the bearing suitable for maintenance-free applications within its specified temperature range (-30°C to 110°C).
S7014 ACE/HCP4ATGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and milling heads.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Speed Motors and Drives: Spindles for PCB drilling, dental handpieces, and small turbines.
- Medical Equipment: Centrifuges and advanced imaging device rotors.
- Aerospace & Defense: Gyroscopes, radar systems, and other critical navigation components.
