... off-center output and compact structure, maximum utilization of housinggear reducer:1.1 Features small off-center ... enhance the shaft strength and service life of bearing.1.2 Types of installation and output base type, big ... , three-stage 27.2-264, and combination of RR can reach 18125.1.5 Average efficiency ... -stage 96%, three- stage 94%, and combination of RR 85%.R series gear box,gear reduction boxes ...