Bore Size:0.02 - 300 inch Outside Diameter:0.01 - 200 inch Precision Rating:P0(ABEC-1), P6(ABEC-3), P5(ABEC-5), P4(ABEC-7), P2(ABEC-9) Seals Type:OPEN Z ZZ RS 2RS Number of Row:Double Row Number of Row:single row Material:Gcr15,GcrSiMn,G20CrNi4,Stainless Steel Structure:tapered Show More