Planetary gearing consists of three elements: a sun gear, a ring gear and a number of planet gears mounted on a carrier. One of these elements is always fixed, one is an input and one is an output. Select gear sizes below and hit CALCULATE to see ratios for all three cases.

Planetary gearing consists of three elements: a sun gear, a ring gear and a number of planet gears mounted on a carrier. One of these elements is always fixed, one is an input and one is an output. Select gear sizes below and hit CALCULATE to see ratios for all three cases.

Follower gear 8 teeth 12 teeth 14 teeth 16 teeth 20 teeth 24 teeth 28 teeth 36 teeth 40 teeth 56 teeth 60 teeth 60 teeth 140 teeth 168 teeth. Delete pair ...