Timken® E-4BF-TRB-50MM Heavy Duty Non-Expansion Round Bore Type E Tapered Roller Bearing Unit, 50 mm Dia Bore, 111.125 mm L Bolt Center-to-Center, 4-Bolt Square Flange Mount, 142.875 mm OAL/Dia | Source Atlantic
Skelang 6 Pcs 1” Rolling Ball Transfers, Universal Transfer Bearings of 400 Lbs Load Capacity, Two-Hole Flange Mounted Roller Bearings for Conveyor, Transmission, Furniture, Wheelchair: Amazon.com: Industrial & Scientific