Fenner Drives B152212 B-Loc Medium Duty Shrink Disc - 2 3/4" ID, 4.331" OD, 8 M10x50 Locking Screws, 75" Width | Industrial Power Transmission Equipment for Couplings, Pumps & Gearboxes

An external locking device that provides a high capacity, zero-backlash shaft to hub by means of a mechanical interference fit. Best Suited For: Applications needing to connect a hollow shaft over a solid shaft. Commonly used on hollow output shaft gear boxes or flange couplings.

Ability to transmit high torques

True zero-backlash

Less equipment downtown, ability to mount over existing keyways

Complete axial and radial adjustability

Simple installation, adjustment and removal