AS21438D BEARING, ROLLER, NEEDLE, SINGLE ROW, HEAVY DUTY, TRACK ROLLER, SEALED, TYPE V ANTIFRICTION, INCH

AS21438 REV D IS BEING UPDATED FOR FIVE-YEAR REVIEW. FIGURE 1 HAS BEEN UPDATED FOR CLARITY. TABLES HAVE BEEN REFORMATTED. RING AND ENDWASHER SUPERSEDED MATERIAL OPTIONS UPDATED, OUTER RING AND INNER RING FINISH REQUIREMENTS HAVE BEEN CLARIFIED. LUBRICATION OPTIONS FORMATTED FOR CLARITY. ADDED RADIAL INTERNAL CLEARANCE REQUIREMENT. CORRECTED TYPO IN TABLE 1 TRACK CAPACITY.