NEW National 1-1/8” Bore 1/4” x 1/8” Keyway Split Taper Bushing P1X1-1/8 1/4 x 1/8 Keyway. P1 Series Split Taper Bushing. 1 1/8 in Bore Size. 2 7/16 in Bolt Circle. byJuly 3, 2026