Cast Iron – Narrow (NH Series)

The Grove Gear IRONMAN NH Series features a compact and narrow profile designed to fit space allocations in new or existing equipment.  Small, but mighty, the cast iron gear reducer is packed full of premium features.

Cast Iron (GR Series)
Aluminum (EL Series)
Stainless Steel (SS Series)
Cast Iron – Narrow (NH Series)
Bravo Aluminum
Quadro Aluminum Worm Gear Reducers

  • Center Distances from 1.33” through 5.25” available.
  • 14 sizes available with input horsepower ratings up to 104 HP. 
  • Available in single, double and triple reduction.
  • Ratios from 5:1 to 216,000:1. Helical worm ratios from 25:1 to 600:1.
  • Rugged cast iron housings, covers, and flanges provide superior strength and rigidity. 
  • Factory-filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant.
  • Large oil capacity provides positive splash lubrication and superior cooling capability. 
  • Viton® double lip seals provide extended life through increased resistance to high temperature, abrasion and chemicals. 
  • O-rings on all bearing covers, eliminating gaskets, sealants and leaks. 
  • Oversized high-speed bearings, positively retained for frequent reversing and start/stop cycles. 
  • Tapered roller bearings on output shaft for high overhung and thrust load capacities. 
  • The unique quill seal guard protects the input seal from damage during motor installation. 
  • Bronze worm gear chill cast from high quality bronze for maximum strength, lubricity and superior life. 
  • Oversized steel output shaft provides superior overhung load and torque characteristics. 
  • All units are 100% run and leak tested at the factory to insure that you receive the highest quality product. 
  • Ultimate application flexibility with all-angle mounting provisions, the widest selection of accessory bases and flanges and the largest selection of stock reducer styles. 
  • Available pre-assembled with LEESON or Lincoln Motors for the perfect GEAR+MOTOR™ package.
  • T Base Worm Over
  • U Base Worm Under 
  • J Mount – Vertical Input Base
  • F Flange
  • VL & VH Vertical Output Base
  • Hollow Shaft Tie Rod Kit
  • Torque Arm Bracket
  • R Riser Block

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