Series: RM

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Series: RM

Hub City's Ratio Multipliers are available in power ratings up to 20 HP and ratios from 2:1 through 7.5:1. Efficiency is 97%. Helical gearing for high torque capacity and quiet operation. Three models available with cast iron Housing, two aluminum models and one stainless steel model. Permanently lubricated. Can be used as stand-alone speed reducer or increaser. Or, provides additional reduction capacity when coupled to any C-face input worm or helical drive.

Category: Gear Drives & Speed Reducers
Family: Hub City® Ratio Multipliers

Search Series

	Model ARM1Q Helical Ratio Multiplier Power ratings to 4.7 HP C-face quill input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7.5:1 (nominal) Aluminum housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive View Accessories
	Model ARM1XC Helical Ratio Multiplier Power ratings to 6 HP C-face (coupling style) input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7:1 (nominal) Aluminum housing Permanently lubricated Can be used as stand-alone speed reducer or increaser. Provides additional reduction capacity when coupled to any C-face input worm or helical drive View Accessories
	Model ARM1XQ Helical Ratio Multiplier Power ratings to 6 HP C-face quill input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7:1 (nominal) Aluminum housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive View Accessories
	Model ARM1XS Helical Ratio Multiplier Power ratings to 6 HP Shaft input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7:1 (nominal) Aluminum housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive View Accessories
	Model ARM2C Helical Ratio Multiplier Power ratings to 6 HP C-face (coupling style) input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7:1 (nominal) Aluminum housing Permanently lubricated Can be used as stand-alone speed reducer or increaser. Provides additional reduction capacity when coupled to any C-face input worm or helical drive View Accessories
	Model ARM2Q Helical Ratio Multiplier Power ratings to 6 HP C-face quill input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7:1 (nominal) Aluminum housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive View Accessories
	Model ARM2S Helical Ratio Multiplier Power ratings to 6 HP Shaft input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7:1 (nominal) Aluminum housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive View Accessories
	Model RM1Q Helical Ratio Multiplier Power ratings to 4.7 HP C-face quill input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7.5:1 (nominal) Cast iron housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive View Accessories
	Model RM2C Helical Ratio Multiplier Power ratings to 6 HP C-face (coupling style) input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7:1 (nominal) Cast iron housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive View Accessories
	Model RM2Q Helical Ratio Multiplier Power ratings to 6 HP C-face quill input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7:1 (nominal) Cast iron housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive View Accessories
	Model RM2S Helical Ratio Multiplier Power ratings to 6 HP Shaft input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7:1 (nominal) Cast iron housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive View Accessories
	Model RM3C Helical Ratio Multiplier Power ratings to 20 HP C-face (coupled style) input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7.5:1 (nominal) Cast iron housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive CAD Configurator View Accessories
	Model RM3Q Helical Ratio Multiplier Power ratings to 20 HP C-face quill input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7.5:1 (nominal) Cast iron housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive CAD Configurator View Accessories
	Model RM3S Helical Ratio Multiplier Power ratings to 20 HP Shaft input Solid output shaft Available ratios: 2:1, 3:1, 4:1, 5:1, and 7.5:1 (nominal) Cast iron housing Permanently lubricated Can be used as stand-alone speed reducer or increaser Provides additional reduction capacity when coupled to any C-face input worm or helical drive CAD Configurator View Accessories