42mm dc planetary compact gear head box

1.42mm dc planetary compact gear head. 2.size: dia42mm*(32-77)mm 3.steel planet gear or plastic gears 4.shaft customized

1.42mm dc planetary compact gear head.2.size: dia42mm*(32-77)mm3.steel planet gear or plastic gears4.shaft customized

PG42 series gearbox

-size: Ø42 mmx(32-77)mm

-metal housing material 

-Gears in metal and steel 

-Plastic gears are available for noise reduction purpose

-Equipped with ball bearings on shaft

-Customized shaft and flange are possible

-backlash at no load <2°

-radical play of shaft<0.05mm

-thrust play of shaft<0.3mm

-Pinion gear hole:Ø3.175mm

-all reduction ratio:

1 stage reduction: 

 1/3.7 , 1/5.2 

2 stages reduction: 

 1/13.7 , 1/19.2 ,1/26.9

3 stages reduction: 

1/50.9 , 1/71.2 ,1/99.5 , 1/139

4  stages reduction: 

1/188 , 1/264 ,1/369 ,1/516 ,1/721 

5 stages reduction: 

1/699 ,1/977 ,1/1367 ,1/1911 ,1/2672 ,1/3736

One of all models: PG42-71.2K 

reduction ratio: 1/71.2

Numbers of stage:3

efficiency :73%(3stages)

Appearance size as following

42mm dc planetary compact gear head box