S7016 ACB/P4A
Sealed Super Precision Angular Contact Ball Bearings
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S7016 ACB/P4A Bearing Product Overview & Core Advantages
The S7016 ACB/P4A is a single-row angular contact ball bearing engineered for applications demanding high precision and superior running accuracy. Characterized by its 25° contact angle and P4 (ABEC-7) tolerance class, this bearing is designed to accommodate high axial loads in one direction while simultaneously handling significant radial loads. Its phenolic resin cage and preloaded configuration contribute to exceptional high-speed performance and operational stability, making it an ideal choice for high-reliability, precision machinery.
S7016 ACB/P4A Bearing Model Code Explained, Specifications & Naming Convention
- S7016: Basic model number, indicating a metric, single-row angular contact ball bearing with a 80mm bore and 125mm outside diameter.
- ACB: Signifies a specific internal design and contact angle (25°), optimized for combined loads and high rigidity.
- P4A: Denotes the tolerance class P4 (ABEC-7), representing very high dimensional and running accuracy. The 'A' suffix indicates a specific preload level for optimal stiffness and performance.
S7016 ACB/P4A Bearing Structural Features & Performance Benefits
High Precision and Rigidity: Manufactured to a P4 tolerance class, this bearing ensures minimal runout and vibration. The specified preload (P4A) enhances system rigidity, which is critical for maintaining accuracy under load.
Superior Load Capacity: The 25° contact angle is optimized to efficiently support substantial one-direction axial loads and radial loads simultaneously, making it suitable for combined loading applications.
High-Speed Capability: The lightweight and robust phenolic resin cage ensures stable operation and reduced centrifugal forces, enabling a high limiting speed of 12,000 rpm. The bearing is pre-lubricated for immediate, maintenance-free operation.
Sealed and Lubricated for Life: As a sealed bearing, it is protected from contaminants and its factory-applied lubricant is retained, offering long service life and maintenance-free operation within its specified temperature range.
S7016 ACB/P4A Bearing Typical Application Areas
The S7016 ACB/P4A is ideally suited for high-performance applications where precision and speed are paramount. Key industries and equipment include:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Aerospace Actuation Systems
