The RA Series of worm gearboxes are characterized by the coupling between a RS Series’ gearbox and a XA Series’ pre-stage, in order to achieve higher reduction ratios than those achievable with a single worm gearbox.

Main Components
• Input and output oil seals in NBR
• Housing and covers in die cast aluminium (for the pre-stage and till size 85 of the RS gearbox) and grey cast iron (sizes 110, 130 and 150 of the RS gearbox)
• Worm wheel in bronze
• Bearings with ball or conical roller
• Input flanges in die cast aluminium
• Motor flexible coupling
• Gears in cemented and hardened alloy steel
• Support hub in grey cast iron
• Synthetic oil for lifetime lubrication of the gears
• RCA oil seal in NBR
• Worm shaft in alloy steel

Plus
• Low maintenance and management costs
• Modular concept
• Extended lifetime with excellent reliability
• Easy installation and maintenance
• Long life lubrication
• Versatility of use

Special Solutions
For Application Sectors
• Silicone, Viton or special seals for high/low temperatures and food & beverage sector
• Anodization for chemical and ship-building/marine sectors
• Special lubricants for high/low temperatures and food & beverage sector
• Non-standard breather plugs for high/low temperatures
• Special paint finishes for chemical, ship-building/marine and food & beverage sector
• ATEX version for potentially explosive environments

For NEMA and servo motors
• Flanges and couplings for servomotors
• Output holes in inches
• Input couplings for NEMA motors

Type : worm
Shaft orientation : right angle
Torque : 2 – 5 kNm
Shaft configuration : hollow-shaft
Number of stages : two-stage
Applications : for the chemical industry, for food industry machinery
Other characteristics : modular, for machine tools, motor, ATEX
Rotational speed : 1,400 rpm, 1,800 rpm (8,796.46 rad.min-1)
Power : Min.: