THK’s Cam Follower Model CFN SERIES represents a specialized category of linear motion components engineered for applications requiring high rigidity, precision tracking, and exceptional durability under demanding mechanical conditions. These cam followers integrate a stud-type design with a thick outer ring and a full complement of needle rollers, enabling smooth rotational motion and high load capacity. The outer ring is through-hardened and precision-ground to maintain accurate profile dimensions, while the stud portion is manufactured from high-carbon chromium bearing steel, heat-treated to achieve optimal surface hardness and core toughness. Standard models feature a black oxide finish for corrosion resistance, with optional seals available to protect against contaminants like dust, chips, or moisture in harsh operating environments.

Key technical features of the CFN SERIES include its ability to handle combined loads—simultaneously managing radial and axial forces—thanks to its robust stud construction and optimized roller arrangement. The full-complement needle roller assembly minimizes friction and provides high rigidity, ensuring stable motion even under shock or vibration. Dimensional accuracy is maintained through THK’s precision grinding processes, which guarantee tight tolerances for outer diameter, width, and stud concentricity. This results in consistent performance, reduced wear, and extended service life. Additionally, the CFN SERIES is available in various configurations, including standard type, yoke type (with a screw-fixed shank), and hex hole type for easy installation and maintenance using common tools.

Performance advantages of the CFN SERIES make it ideal for high-stress applications. Its high load capacity allows it to support substantial weights and forces without deformation, while the low-friction design reduces energy consumption and heat generation. The cam follower’s durability ensures reliable operation over long periods, minimizing downtime and maintenance costs. In industrial machinery, it is commonly used in cam mechanisms, conveyor systems, and automated transfer equipment, where it guides moving parts along precise paths or supports heavy loads in packaging, printing, and material handling machines. In automotive systems, the CFN SERIES finds application in assembly jigs, welding robots, and engine testing equipment, providing smooth linear motion under high-speed or high-temperature conditions. For precision equipment, such as semiconductor manufacturing devices or medical automation systems, its accuracy and repeatability contribute to enhanced product quality and process stability. By combining advanced materials, meticulous manufacturing, and versatile design, THK’s CFN SERIES delivers a dependable solution for improving efficiency and reliability across diverse mechanical systems.