SKF S71919 CDGA/P4A Super precision bearing

The SKF S71919 CDGA/P4A bearing is a high-precision angular contact ball bearing designed to meet the demands of applications requiring both high-speed performance and accuracy. Below is a detailed overview of its dimensions, structure, features, and typical applications.

Dimensions:

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

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

These dimensions ensure that the bearing can handle moderate radial loads and high axial loads, making it suitable for a range of industrial uses.

Structure:

The SKF S71919 CDGA/P4A is an angular contact ball bearing, meaning it has a single row of balls positioned at an angle to the bearing axis. This design allows it to support both radial and axial loads simultaneously. The “P4A” in the model name indicates that this bearing is manufactured to the highest precision standards, typically meeting the requirements of an ABEC-7 or better tolerance class, providing extremely tight dimensional and running accuracy. The “CDGA” designation refers to the special cage material and design used for reduced friction and improved load distribution.

Features:

• High Precision: With its P4A tolerance, the bearing offers excellent running accuracy, making it ideal for high-speed and high-precision applications.
• Low Friction: The advanced cage design and materials used in the bearing reduce friction, leading to better performance at high speeds and extended service life.
• High Load Capacity: Capable of handling both axial and radial loads, the SKF S71919 CDGA/P4A is particularly well-suited for applications requiring high axial stiffness.。
• Durability: SKF’s high-quality materials and design ensure the bearing can withstand harsh operating conditions, including exposure to moisture, dust, and high temperatures.

Applications:

The SKF S71919 CDGA/P4A bearing is widely used in industries where precision, speed, and load-handling capabilities are critical. Common applications include:

• Machine Tools: Particularly in high-speed spindles and rotary tables, where high precision and minimal vibration are essential.。
• Aerospace: Used in systems that require precise movement, such as actuators and flight control surfaces
• Medical Equipment: Employed in high-precision instruments like surgical robots or imaging devices.
• High-Speed Motors and Pumps: Suitable for applications with high rotational speeds that demand minimal heat generation and wear.

In summary, the SKF S71919 CDGA/P4A bearing stands out for its exceptional precision, durability, and high load capacity, making it an ideal choice for demanding applications in various high-precision industries.