Timken 77375 Roller Bearing Cone 3-3 4 Inch Bore

The Timken 77375 roller bearing cone is a single-row tapered roller bearing cone (TS) in the 77000 series designed for heavy-duty equipment where precise shaft alignment and dependable load distribution are critical. It has a 3.7500 in bore and 1.9000 in inner ring width, machined from through-hardened chrome steel and finished to ABMA Class 2 precision. This cone supports high radial and axial loads with a dynamic radial load rating (C1) of 90,500 lbf and a static radial load rating (C0) of 107,000 lbf, plus a dynamic axial load rating (Ca90) of 14,700 lbf. Weight is 11.7 lb. It is compatible with Timken bearing cup 77675 and is commonly used in industrial gearboxes, mining equipment, construction machinery, heavy-duty trailers, wheel-end assemblies, industrial drives, conveyors, heavy-duty axles, and power transmission systems. Key dimensions include bore 3.7500 in, inner ring width 1.9000 in, maximum shaft fillet radius 0.140 in, and shaft backing shoulder diameters frontface 4.17 in and backface 4.45 in.