UCF bearing Specifications: Material:GCr15 or Gcr15SiMn chrome steel,HT200 gray iron or ductile iron,stainless steel Color:Green,blue or according to customers Packing:Plastic bag,paper box,carton,wooden pallet,packing machine Product Catergories:UC,UK,SA,SB,CSA,CSB,UCX,SER,HC,UCP,UCF