Set of 2, Shaft Kits For 137646, 137645 Used on 130794 Spindles. Includes Shaft, Top & Bottom Bearing, Pulley Locknut, And The Very Important Spacer Set of 2 Spindle Shaft Kits Replaces Shaft 137646, 137645, Used on 130794 spindle (or 532130794) Includes shaft, felt washer, both bearings (129895, 110485X), pulley locknut Also includes spacer (important, see note below) for 129963, 187690, 532187690