The BEI Sensors/Sensata part 01070-294 is an incremental hollow shaft encoder with a 3.5" diameter, designed for efficient and accurate position sensing. This encoder is a part of the Express-H35 series and is known for its reliability and high-performance capabilities. With a hollow shaft design, it offers versatility and ease of installation in various applications. This encoder provides incremental feedback, allowing for precise position detection and control. It is an ideal choice for industries requiring precise motion control, such as robotics, manufacturing, and automation.