Timken 643-20014 Tapered Roller Bearing Cone Assembly

The Timken 643-20014 tapered roller bearing cone is a precision inner race assembly for single-row tapered roller bearing systems that carry combined radial and axial loads in heavy-duty rotating equipment. Designed to work with Timken bearing cups 632, 632B, and 633, it is commonly installed in wheel-end assemblies, heavy-duty axles, industrial drives, conveyors, and agricultural machinery where accurate shaft alignment and dependable load handling are critical. Key specifications include MPN 643-20014, Product Type: Tapered Roller Bearing Cone, Bearing Type: Single Row Tapered Roller Bearing Cone (TS), Cone Part Number: 643, Series: 635, Design Units: Inch, Material: Chrome Steel, Precision Rating: ABMA Class 2, Bore Diameter: 2.7500 in (69.850 mm), Cone Width: 1.6250 in (41.275 mm), Cage Material: Steel, Operating Temperature Range: -65 to +250 °F (-54 to +121 °C), Finish: Uncoated, Weight: 3.61 lb (1.64 kg).