These keyless bushings have a single-nut locking assembly on one end to lock the bushing to the shaft. The single nut allows the bushing to be installed and removed quickly without the need for multiple screws.

These keyless bushings are tightened down to the shaft with a series of screws, ensuring a strong grip on the shaft for applications with high torque and heavy shock loads.

These keyless bushings clamp to the shaft using a shrink-disc mechanism that applies compression to clamp the bushing onto the shaft with a zero-backlash frictional connection that will not wear. They are often used to connect a hollow shaft over a solid shaft such as hollow output shaft gear boxes or flange couplings.