Timken Timken KD12051Z-900SA Tapered Roller Bearing Assembly - 2.6250 in Bore, 4.4680 in OD, 0.9230 in Cone Width, 0.7411 in Cup Width, Class 2 Precision Rating Timken is the recognized global leader in tapered roller bearings. It has the most extensive offering in the market. With capacity to manage both radial and axial loads, high-performance Timken️ tapered roller bearing assemblies are engineered to provide the greatest durability in the most compact space. Widest choice including both inch and metric sizes Engineered to deliver higher speeds, heavier loads and longer life Unrivaled technology and engineering support Single row bearings are the most common configuration An assembly includes separable inner (cone) and outer (cup) rings