Spindle Assembly Height: 7 3/8 " OVERALL, Includes housing, shaft, bearings, grease fitting and dust cover over one bearing, 9/16"-18 UNF thread at each end of shaft. Replaces Part Numbers: Murray 1001200, Murray 1001046, Murray 1001200MA, Briggs & Stratton 1001200MA Stens Part Number: 285-174