The BEI Sensors/Sensata part 01070-1258 is a high-performance Incremental Hollow Shaft Encoder with a 3.5 diameter. This encoder is designed to accurately measure speed, position, and direction in various industrial applications. It features a hollow shaft design which allows for easy and flexible installation in your existing machinery. With its reliable performance and durable construction, this encoder offers precise and consistent results even in harsh environments. Upgrade your equipment with the BEI Sensors/Sensata part 01070-1258 and ensure accurate data feedback for optimal control and efficiency.