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Motovario Gearboxes

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NMRV Series Gearboxes
Gearboxes
Gearboxes
Gearboxes
Gearboxes

NMRV Series Gearboxes

Accept no substitute... Original Motovario NMRV and NMRV Power series offer superior torque performance and reliability. A compact helical stage allows helical worm ratio reductions of up to 1000:1.

  • NMRV – Sizes: 025-030-040-050-130-150
  • NMRVpower – Sizes: 063-075-090-110
  • Available versions: fitted for motor coupling, with input shaft, with torque limiter
  • Power up to 18,5 kW
  • Cases up to 110 in die-cast aluminium alloy and over 130 in G200 grey cast iron
  • Ratios between 5 and 100
  • Max torque 1.550 Nm and admissible radial loads max 18.000 N
  • Aluminium units are supplied complete with synthetic oil and allow for universal mounting positions, with no need to modify lubricant quantity
  • Worm wheel: bronze Cu Sn12 Ni2 (UNI7013-10)
  • Ground worm profile ZI (UNI4760)
  • Loading capacity in accordance with: ISO.14521, DIN.3996, BS 721, AGMA 6034, ISO 6336, DIN 3990, DIN 743, ISO 281
  • Size 030 and over are painted with RAL 5010 blue epoxy-polyester powder
  • Available with pre-stage unit: HA31 for NMRV040/NMRV050, HW 030/040 for NMRV-P Series
  • Worm gear reducers are available with diffferent combinations: NMRV+NMRV, NMRVpower+NMRV, NRV+NMRV, NRVpower+NMRV, HA31+NMRV, HW/NMRVpower, IHW/NMRVpower
  • Options: protection cover, torque arm, output flange, output shaft kit, torque limiter, viton oil seals, low/high temperature and food grade oil, filling/drain/breather/level plug, reinforced output

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