New open box Timken 39433 Taper Bearing Cup offers reliable support for demanding machinery. This part features a precise outer diameter of 4.333 inches and a width of 0.679 inches, designed to fit standard tapered roller bearing assemblies. Made in the United States from case carburized steel, it delivers enhanced hardness and wear resistance for long service life under heavy loads, with operating temperatures from minus 54 to 120 degrees Celsius. The cup is open and ships without a snap ring, ensuring straightforward installation. Cross references include SKF 39433, NTN 39433, and Bower 39433 for flexible replacements. Benefits include competitive pricing, international shipping, and combined shipping on multiple orders. Same day dispatch is available, with next day delivery at checkout for urgent needs. Ideal for industrial, automotive, agricultural, construction, and mining applications where Timken quality matters.