Eccentric jan hannun riga na jan karfe ne don taka rawar bearings, nasa ne da zamiya hali category, shi ne a cikin zamiya gogayya a karkashin aikin bearings, dangane da shaft yana juyawa, gabaɗaya yana buƙatar taimakawa tare da aikin tsarin lubrication.
Tsarin yin simintin gyare-gyare:Simintin tsakiya, simintin yashi, simintin ƙarfe
Aikace-aikace:Ma'adinai, hakar kwal, masana'antar injuna
Ƙarshen saman:Keɓancewa
Abu:Bronze, Brass