Pillow Block Bearing UCF204 ndi chipangizo chozungulira chopanda kanthu chokhala ndi chivundikiro. Pakati pake ndi UC204 ball bearing (mimba mwake wa mainchesi 3/4), chomwe chimasonkhanitsidwa kale mu chivundikiro cholimba chachitsulo chopangidwa ndi sikweya. Chivundikirocho chili ndi mabowo anayi a bolt kuti chikhale chosavuta kuyika ndi kukhazikika. Chapangidwa kuti chithandizire ma shaft ozungulira, kupereka chithandizo chodalirika ndipo ndi choyenera kugwiritsidwa ntchito m'mafakitale monga ma conveyor ndi makina a zaulimi.