... . OEM service and designed service offered 3. Material: Gcr15 Pillow block bearings:1. Material: Gcr15 Chrome steel, Stainless steel or Carbon ... . Seal form: ZZ,2RS8. Range:UC200series: UCP201~UCP218UC300series:UCP301~UCP320UK 200, SA200,SB200, ETC...Housings: P,F,FL,T,PA,PH ... ,bolt & nut, bucket ,teeth ,adaptor,muffler etc . High quality Pillow block bearings