1. Product Overview The UK206-2S+H206 complete set includes UK206-2S tapered bore spherical insert bearing and matched H206 adapter sleeve, designed for medium-load transmission equipment. It features 1:12 tapered inner bore, double-sided 2S NBR contact seals and built-in grease nipple for relubrication.It is widely used in agricultural machinery and medium conveyors where dusty environment and alternating medium load exist. Get a quote within 24 hours for your project 2.