technical data Reducer Worm Reducer technical data

Reduction ratio/size combination (Double reduction: 1/100 to 1/3600)

Eight standard reduction ratios are available: 10, 15, 20, 25, 30, 40, 50, and 60.

16 types of Double reduction ratios are standardized in the following combinations.

*Please refer to the self-locking information.

Total speed ratio 100 150 200 250 300 400 500 600 800 1000 1200 1500 1800 2400 3000 3600
High speed side 10 15 20 25 15 20 25 30 40 50 60 25 30 40 50 60
Low speed side 10 10 10 10 20 20 20 20 20 20 20 60 60 60 60 60

EWJ, EWJM(R), EW, EWM(R), SW, SWM(R) series size combinations

size EWJ50 EWJ63 EWJ70 EW80
SW80
EW100
SW100
EW125
SW125
EW150
SW150
EW175
SW175
EW200
SW200
High speed side 35 42 42 50 50 63 80 100 125
Low speed side 50 63 70 80 100 125 150 175 200