50 HP Ball / Roller Brg. Gearbox Part No. B9266 - 1:1.93 ratio SPECIFICATIONS A = 145mm (5.7") Taper Roller Bearing Output Shaft Ball Bearing Input Shaft 1 3/8" x 6 spline Input Shaft Light weight gearbox featuring Taper Roller lower bearing   SPARE PARTS REF PART No. DESCRIPTION 1 B4158 Hub 2 B7389 Retaining Ring 3 B7687 Breather Plug 4 B7388 1" x 14 TPI Castellated Nut 5 B2956 Output Seal 6 B2953 Input Seal 7 B93 Bearing Cup 8 B90 Bearing Cup 9 B91 Bearing Cone 10 B60 Bearing 11 B62 Bearing