Heavy Duty Mounted Bearing Insert UC308 40mm IDHeavy Duty Bearing Insert UC308 40mm x 90mm x 52mm Mounted Ball Bearing The UC308 is a tough mounted bearing insert made for high load setups like conveyors, ag equipment, and industrial drives. Built to handle stress with its deep groove design and wide outer race, it's the go to choice when you need something solid and reliable in a mounted housing. Pack of 1 heavy duty bearing insert Size: 40mm ID x 90mm OD x 52mm width Basic dynamic load: 24,000 N