... : More than 10 years;4.Advanced Tech Equipment.No.1:About the products: Product Name: Deep groove ball bearing ... .8750 5.56 .2188 7.14 .28120.3 .0123.30 1.40Seals Types ZZ, Z, 2RS, RS, RZ, 2RZ,OPENVibration ... Z2V2,Z3V3Clearance C2, C0,C3, C4, C5Tolerance codes ABEC-1(P0), ABEC-3(P6), ABEC-5(P5), ABEC-7 ... within one year from the date the buyer get them. 1. Inner Ring2. Cage3. Seal or Sheld4. Ball5. Outer ...