Ball screws BST Type Precision Bearing consist of a screw spindle and a nut integrated with rolling elements that cycle through a return mechanism. Ball screws BST Type Precision Bearings convert rotary motion into linear motion, and are most commonly used in industrial machinery and precision machines. The ball screws BST Type Precision Bearings is a high-efficiency feed screw with the ball making a rolling motion between the screw axis and the nut. Compared with a conventional sliding screw, this product has drive torque of one-third or less, making it most suitable for saving drive motor power.

Ball screws BST Type Precision Bearings assemblies offer an efficient means of converting rotary motion to linear motion. A ball screw is an improvement over an acme screw just as an antifriction ball bearing is an improvement over a plain bushing. Precision ball screws NSK 20tac47bsuc10pn7b Bearing have a number of bearing balls that transfer the load between the nut and screw. The thread form in which the bearing balls ride is an ogival shape formed from two arcs of the same radius with offset centers.