Timken 42620 Single Cup Tapered Roller Bearing

The Timken 42620 is a precision single-cup tapered roller bearing designed to pair with Timken cones for heavy-duty industrial, automotive, agricultural, and power transmission applications. As the outer race of a single-row tapered bearing, it supports high radial and axial loads while providing precise shaft alignment and extended bearing life, and it is manufactured from high-carbon chromium bearing steel. Key dimensions include an outside diameter of 5.000 in (127.000 mm) and cup width of 0.8750 in (22.225 mm), with housing backing shoulder diameters Da 4.800 in (121.900 mm) and Db 4.490 in (114.050 mm) and a maximum housing fillet radius of 0.130 in (3.300 mm). Its common applications include gearboxes, transmissions, wheel hubs, and axles in agricultural, construction, and mining equipment, as well as other industrial power transmission systems. Compatible Timken cones include 42687, 42690, and 42688, and the bearing weighs 3.00 lb (1.40 kg); it is part of the 42600 series with MPN 42620.