One of the world larges bearing factory, established by Henry Timken in 1898. First delevloped tapered roler bearing, since they are one of the largest bearing manufacturer, and has the bigest range of tarpered roler bearing offer. Timken is one of the first bearing factory who made bearing materials itself also. Timken owned their lifetime some smaler bearing brand also: Rollon, Philadelphia Gear , Fafnir. Largest bearing factory made imperial diameters, and also has important market size in precison ball bearings, and needle roller bearings.