Rexnord SRK100023A Sun Gear

Rexnord SRK100023A Sun Gear is a 5.74-inch diameter sun gear designed for Rexnord Planetgear reducers, compatible with Atlas and Polaris unit sizes. It functions as the central driver in planetary gear sets, engaging the planet gears and the ring gear within Rexnord PGSTK assemblies to deliver reduction in a compact footprint. This SRK sun gear is specified for Atlas and Polaris configurations and forms part of Rexnord’s sun-gear lineup for planetary gear carriers, enabling interchangeability with other SRK sun gears during service or rebuilds of Atlas/Polaris PGSTK systems. The SRK100023A designation identifies this component as the sun gear within the SRK family, ensuring proper fit with the corresponding planet gears and carrier subassemblies used in Rexnord planetary gear trains.