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Hub City 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: Ratio Multipliers

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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

CAD Configurator

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Model ARM2C
Helical Ratio Multiplier
Power ratings to 6 HP
C-face (coupling style) input
Solid output shafy
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

CAD Configurator

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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

CAD Configurator

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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

CAD Configurator

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

CAD Configurator

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

CAD Configurator

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

CAD Configurator

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

CAD Configurator

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