High Precision Spiral Bevel Gear Reducer Home >Products>High Precision Spiral Bevel… Input Type Output Type F Input Flange R Reducer D Single Input Shaft Y Double Input Shaft O Hollow Output Shaft FO RO DO YO N Single Clamping FN RN DN YN M Double Clamping FM RM DM YM S Single Output Shaft FS RS DS YS V Double Output Shaft FV RV DV YV P Ball Screw FP RP DP YP 1.Shaft direction is optional for output type N, S. 2.Output type P only for R shaft.