SKF S71919 ACDGA/P4A Super precision Bearing

The SKF S71919 ACDGA/P4A bearing is a high-precision angular contact ball bearing, specifically engineered for applications requiring excellent speed, precision, and load-handling capabilities. Below is a detailed description of its dimensions, structure, features, and typical applications.S

Dimensions:

The SKF S71919 ACDGA/P4A bearing has the following key dimensions:

• 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 enable the bearing to carry both radial and axial loads, making it suitable for a range of precision applications where space and size constraints are critical.

Structure:

The SKF S71919 ACDGA/P4A is an angular contact ball bearing designed to handle combined loads. This bearing has a single row of balls arranged at an angle, which allows it to support axial and radial loads simultaneously. The “P4A” in the part number indicates the bearing’s high-precision manufacturing standard, usually associated with ABEC-7 or higher tolerances, ensuring the highest levels of accuracy and consistency in operation. The “ACDGA” designation indicates specific modifications related to the bearing’s internal design, including a special cage material and structure that reduces friction and allows for smoother rotation at high speeds.

Features:

• High Precision: Manufactured to P4A tolerance class, the SKF S71919 ACDGA/P4A bearing offers superior accuracy and low run-out, making it ideal for high-speed and high-precision applications.
• Low Friction: The specially designed cage minimizes friction and improves operational efficiency, reducing wear and extending service life.
• High Load Capacity: This bearing supports both axial and radial loads, offering a balanced performance for applications requiring rigidity and stiffness.
• Durability and Reliability: SKF uses advanced materials and manufacturing processes to enhance the bearing’s performance in demanding conditions, such as high-speed rotation, high temperatures, and exposure to contaminants.
• Noise Reduction: The bearing is engineered to operate with minimal noise and vibration, which is particularly important in sensitive applications like medical and aerospace systems.

Applications:

The SKF S71919 ACDGA/P4A bearing is widely used in industries that require precise motion control and high-speed capabilities. Its applications include:

• Machine Tools: Ideal for high-speed spindles, rotary tables, and other components where precision and minimal vibration are critical.机
• Aerospace and Defense: Utilized in aerospace systems, including actuators, flight controls, and radar equipment, where precise movement and reliability are essential.
• Medical Equipment: Found in medical devices such as robotic surgery systems and imaging machines, where high precision and durability are paramount.
• High-Speed Motors: Used in electric motors and pumps that operate at high speeds, ensuring smooth operation and long service life。

Conclusion:

The SKF S71919 ACDGA/P4A bearing is designed to provide exceptional precision, durability, and performance in high-speed, high-load applications. Its unique construction, combined with SKF’s advanced materials and manufacturing processes, ensures that it can meet the stringent demands of industries such as machine tools, aerospace, medical equipment, and high-speed motors. This bearing is a reliable choice for applications requiring precision, longevity, and low maintenance.