Specifications are subject to change without notice
Gearing
ELECTRA-GEAR
QUICK SELECTIONS
1.0 Service Factor
Nominal
Output
Input Horsepower @ 1750 RPM
Ratio
♠
RPM
1/6 1/4 1/3 1/2 3/4
1 1-1/2
2 3 5 7-1/2 10 15 20
25 30 40 50 60 75 100
5
7.5
10
15
20
25
30
40
50
60
70
. ! . ! . ! . ! . ! . ! . ! . ! . !
80
100
.OTE 4HIS CHART IS MEANT AS A GUIDE FOR REDUCER SELECTIONS AT SPECIFIC MOTOR HORSEPOWERS
!CTUAL SERVICE FACTOR MAY BE GREATER THAN INDICATED &OR ACTUAL SERVICE FACTORS AND MAXIMUM WORM REDUCER RATINGS REFER TO PAGES
♠
2EFER TO PAGE OF #ATALOGUE
FOR EXACT RATIO OF SINGLE REDUCTION WORM GEAR REDUCERS
3IZE MUST BE USED FOR .( 3ERIES FOR THIS SELECTION
3IZE MUST BE USED FOR .( 3ERIES FOR THIS SELECTION
INDICATES A SELECTION WHERE A SMALLER REDUCER CASE SIZE CAN BE USED WITH REDESIGNED PRODUCT DUE TO RATING INCREASE
INDICATES A SELECTION WHERE A SMALLER REDUCER CASE SIZES CAN BE USED WITH REDESIGNED PRODUCT DUE TO RATING INCREASE
1.25 Service Factor
Nominal
Output
Input Horsepower @ 1750 RPM
Ratio
♠
RPM
1/6 1/4 1/3
1/2 3/4
1 1-1/2
2 3 5 7-1/2 10 15 20
25
30 40
50
60
75
5
7.5
10
15
20
25
30
40
50
60
70
. ! . ! . ! . ! . ! . ! . ! . !
80
100
How to Use
"ASED ON REQUIRED OUTPUT 20- AND INPUT MOTOR HORSEPOWER READ ACROSS CHART FOR THE APPROPRIATE
REDUCER SIZE !S A RULE OF THUMB USE SERVICE FACTOR CHART FOR APPLICATIONS HAVING UNIFORM
LOADS WITH UP TO HOURS SERVICE DURATION PER DAY 5SE SERVICE FACTOR CHART FOR LONGER SERVICE
OR SHOCK LOADING 4HESE CHARTS ARE TO BE CONSIDERED AS GUIDES ONLY 2EFER TO #ATALOGUE OR
#ONTACT &ACTORY WITH SPECIFIC APPLICATION INFORMATION
Refer To Catalogue 8050 for K Series Helical-Bevel
right angle gear reducers for higher horsepower
selections not covered here