... 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, ABEC-3 ... - 63HRC 1. Basic Feature: 1) Shield / closure: OPEN, Z, ZZ, RZ, 2RZ, RS, 2RS 2) Tolerance codes: ABEC-1, ABEC-3 ...