L610549/610511 Tapered Roller Bearing 2-1/2" x 3-23/32" x 3/4"L610549 610511 Tapered Roller Bearing Set 2 1 2" Bore x 3 23 32" OD x 3 4" Wide Cone & Cup This is a single row tapered roller bearing set featuring cone L610549 and cup L610511. Built from high quality steel and designed to handle both radial and axial loads, its a solid fit for trailers, gearboxes, and heavy machinery that needs compact yet tough bearings. Cone: L610549 Cup: L610511 Bore (ID): 2 1 2" inch (63. 5mm) Outer diameter (OD): 3 23 32" inch