RT/RT Series

2-stage worm gearboxes

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

Main Information

MAX POWER (1400 rpm / 1800 rpm)0.9 kW / 1.2 HP
REDUCTION RATIOSfrom 420:1 to 10000:1
MAX OUTPUT TORQUE1350 Nm / 11950 in-lb

Additional Information

  • Input and output oil seals in NBR
  • Housing and covers in die cast aluminium (till size 85) and grey cast iron (size 110)
  • 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
  • Low maintenance and management costs
  • Modular concept
  • Extended lifetime with excellent reliability
  • Easy installation and maintenance
  • Long life lubrication
  • Versatility of use

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
  • Output shafts (simple AS, double AD)
  • Oil seals (input VIT/E and output VIT/U)
  • Torque arms (standard BT and Vulkollan BTV)
  • Safety shield (ASC)
  • Output bearings (not standard CS)
  • Motor flanges (FM)
  • Output flanges (F, FV and FL)
  • Coupling (G)
  • Torque limiters (outer TLE and inner TLI)
  • Travel limiters (SLP)
  • Feet (S, SA, I, IA, D e DA)
  • Wormshaft extension (VB)
Most of our products are available in an ATEX version that conforms to EU directives on explosive atmospheres.

Want to know more about RT/RT Series?