... ).Seals Type:Open,Z,ZZ,RS,2RS 1. We are a professional manufacturer that engages in micro-and mini-deep groove ... ,ZZ,RS,2RSPackagebox packing, tube packingQuality standardISO9001:2000 standardPaymentL/C,D/A,D/P,T/T,Western UnionApplicationAuto, tractor ,machine tool, electric machine ...