SKF S71919 ACD/P4A Super precision Bearing

The SKF S71919 ACD/P4A bearing is a high-precision angular contact ball bearing designed for applications requiring both high-speed performance and accuracy. It is built to meet stringent demands for low friction, minimal vibration, and high load capacity, making it a reliable choice for various industrial applications. Below is a detailed description of its dimensions, structure, features, and typical uses.

Dimensions:

The SKF S71919 ACD/P4A bearing features the following key dimensions:SKF S71919 ACD/P4A 轴承具有以下关键尺寸：

• Bore Diameter (d): 95 mm
• Outer Diameter (D): 130 mm
• Width (B): 18 mm
• Dynamic Load Rating (C): 10.4 kN
• Static Load Rating (C0): 7.4 kN
• Limiting Speed (greased): 12,000 rpm

These dimensions allow the bearing to handle both radial and axial loads while maintaining high operational speeds and minimizing friction, making it suitable for high-performance machinery.

Structure:结构：

The SKF S71919 ACD/P4A is an angular contact ball bearing, where the balls are arranged at a specific angle relative to the bearing axis. This design enables the bearing to accommodate both axial and radial loads simultaneously, providing a more rigid and stable performance under load. The “P4A” designation indicates that the bearing is manufactured to a precision class of P4, ensuring high accuracy and tight tolerances for applications requiring extreme precision, often found in high-speed or high-precision machinery. The “ACD” indicates special internal design features, including optimized cage material and geometry, designed to reduce friction and improve load distribution within the bearing.S

Features:

• High Precision: The SKF S71919 ACD/P4A bearing meets the P4 tolerance class, ensuring exceptional precision, low run-out, and minimal variation in performance, even at high speeds.
• Low Friction: With its advanced cage design and material selection, the bearing minimizes friction, contributing to smoother operation and extending its service life.
• High Load Capacity: This bearing can support both axial and radial loads, making it ideal for applications that require high load capacity and stiffness.
• Durability and Reliability: The SKF S71919 ACD/P4A bearing is designed to withstand harsh operating conditions such as high-speed rotation, exposure to high temperatures, and contamination, ensuring long-lasting performance.
• Noise and Vibration Reduction: The bearing is engineered for low noise and vibration, making it suitable for applications where precision and minimal disturbance are critical, such as medical equipment and aerospace systems.

Applications:

The SKF S71919 ACD/P4A bearing is widely used in various industries where high precision and speed are required. Some of the typical applications include:：

• Machine Tools: Ideal for high-speed spindles, rotary tables, and other precision machinery, where low vibration, high accuracy, and minimal friction are critical.
• Aerospace: Used in actuators, flight control systems, and other aerospace components, where precision, reliability, and durability are essential.。
• Medical Equipment: Found in high-precision medical devices such as robotic surgery tools, diagnostic equipment, and imaging systems, where performance and reliability are paramount.
• High-Speed Motors and Pumps: The bearing is ideal for applications like electric motors and pumps that operate at high speeds, requiring smooth, quiet operation and long service life.

Conclusion:

The SKF S71919 ACD/P4A bearing is a high-performance, high-precision angular contact ball bearing built to handle both radial and axial loads with exceptional accuracy and low friction. Its robust design and advanced materials ensure that it can operate effectively in demanding environments, making it suitable for industries like machine tools, aerospace, medical, and high-speed motors. This bearing delivers high reliability, durability, and precision for a wide range of applications requiring optimal performance and minimal maintenance.