Optional Pinion Adapters

On each Planetary Gearbox Specification Sheet, on the upper half of the page in the 1-stage, 2-stage, and 3-stage columns, is a vertical listing of available Gear Ratios. Next to this listing of Gear Ratios is a listing of Motor Shaft Diameters, in units of millimeters. This is the maximum available Bore Size for the Pinion for that particular Gear Ratio. In other words, the Motor Shaft upon which the Pinion Gear is to be mounted can be that size or smaller. For larger Motor