Timken 453-B Tapered Single Flanged Roller Bearing Cup

Timken 453-B is a TSF (Tapered Single with Flange) single-flanged tapered roller bearing cup designed to mount with Timken cones such as 465, 456, or 469 to achieve precise axial positioning and simplify seal alignment in through-bored housings. Manufactured from high-carbon chromium bearing steel, it supports heavy-duty gearboxes, transmissions, wheel hubs, axles, agricultural machinery, construction equipment, mining equipment, and other industrial power transmission systems. Key dimensions include an outside diameter of 4.2500 in (107.950 mm), cup width of 0.8750 in (22.225 mm), flange outside diameter of 4.4640 in (113.386 mm), flange width of 0.2188 in (5.558 mm), maximum housing fillet radius of 0.030 in (0.800 mm), and housing backing shoulder diameter Da of 3.960 in (100.580 mm). The geometry factor is 0.0946 and the unit weight is 2.5 lb (1.10 kg). Specifications: MPN 453-B, Manufacturer Timken, Product Type single flanged tapered roller bearing cup, Bearing Type TSF, Series 455, Cup Part Number 453-B. Common replacements include SKF 453-B, NTN 453-B, and Koyo 453-B.