ASNU30 One-Way 30x72x27 Bearing Support Required Backstop ClutchASNU30 One Way Clutch 30mm ID x 72mm OD x 27mm Wide Sprag Freewheel Backstop VXB Bearings The ASNU30 One Way Clutch is built tough for heavy duty industries like mining, hydraulics, textiles, printing, and conveyors. It allows rotation in one direction only stopping dangerous reverse motion when power is lost. It's the go to solution for overrunning, indexing, and backstopping jobs where reliability is everything. Item: ASNU30 Clutch Type: One Way