... available Stainless Steel Miniature Ball Bearing 692-699 Z, ZZ, RZ, 2RZ, RS, 2RSMiniature Ball Bearing 1. ... Basic Feature: 1) Shield / closure: OPEN, Z, ZZ, RZ, 2RZ, RS, 2RS 2) Tolerance codes: ABEC-1 ... d)ISO9001:20001. Seal form: open style, Z, ZZ, RS, 2RS, 2RZ2. Bearing stop ring: N,NR ... Z2,Z3,Z465.6. Internal elimination code: C0, C2, C3, C4, C57. Bearing material: bearing steel (9Cr18), stainless ...