Rexnord SRB100023A Sun Gear (SRB 5.74) is the sun gear for Rexnord Planetgear SRB speed reducers, providing the sun-gear engagement for planet gear sets. It supports Planetgear unit sizes Earth, Neptune, and Venus and has external dimensions of 3.00 in height, 2.50 in length, and 2.50 in width, with a net weight of 1.67 lb. This sun gear is compatible with Rexnord SRB carrier assemblies across multiple size families, delivering the primary driving gear in the planetary stage.
