Fastech Ezi-Speed ST, Manual, Page: 57 / 111

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6.4.7
Permissible overhung load and permissible thrust load
Overhung load is a load on the gearhead shaft in the vertical direction like below figure. Thrust
load is a load on the gearhead shaft in the horizontal direction. Overhung load and thrust load
affects the life time or strength of shaft. So please make sure not to exceed both the permissible
overhung load and the permissible thrust load simultaneously with below chart.
▣ Permissible overhung load and permissible thrust load
Part number
Gear
Ratio
Permissible Overhung load
Permissible
Thrust load
10mm from Shaft end 20mm from Shaft end
N N N
ESG-60-H-R □ -H
5, 10 450 370
200
15~200 500 400
ESG-80-H-R □ -H
5, 10 800 660
400
15~200 1200 1000
ESG-90-H-R □ -H
5, 10 900 770
500 15, 20 1300 1110
30~200 1500 1280
※ Permissible overhung load value is when motor speed is 3000rpm.
Overhung load
Thrust load
Load shaft