(4 customer reviews)

50:1 Ratio, 0.625″ Input Diameter, 0.75″ Output Diameter, Right Angle Cast Iron Single-Reduction Worm Reducer

MODEL  GR8180521.12


Electra/Grove Gear




27.000 lb





Regal Beloit Grove Gear&Reg; GR8180521.12

UPC: 690310008706 | UNSPSC: 26111537 | GTIN:
Gear Reducers & Gearmotors > Gear Drives > Right Angle Gear Drives > Non-Helical Worm Right Angle Drives

Grove Gear® IRONMAN® Worm Gear Reducer, Right Angle Single Reduction, Series: GR Series, 50:1 Gear Ratio, 0.515 hp Input, 0.352 hp Output, C-Face Coupled Input, Hollow Bore Output, 5/8 in Dia Input, 3/4 in Dia Output, 35 rpm Output Maximum Speed, 1750 rpm Input Maximum Speed, 634 in-lb Output, 1-3/4 in Centre Distance, 3/16 x 3/32 in Input, 3/16 x 1-1/2 in Output Keyway, PAG Synthetic Oil Lubrication, Shaft Mount, Cast Iron, 5-1/2 in W


  • One piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment
  • Factory filled with premium Mobil® Glygoyle® 460 PAG lubricant
  • Large oil capacity provides positive splash lubrication and superior cooling capability
  • FKM double lip seals provide extended life through increased resistance to high temperature, abrasion and chemicals
  • 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 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
  • 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
  • Mounting dimensions are interchangeable with most industry standard reducers


  • Input Maximum Speed: 1750 rpm
  • Output Maximum Speed: 35 rpm
  • Centre Distance: 1-3/4 in
  • Input Type: C-Face Coupled
  • Output Size: 3/4 in Dia
  • Input Size: 5/8 in Dia
  • Lubrication Type: PAG Synthetic Oil
  • Torque Rating: 634 in-lb Output
  • Horsepower: 0.515 hp Input, 0.352 hp Output
  • Keyway Size: 3/16 x 3/32 in Input, 3/16 x 1-1/2 in Output
  • Gear Ratio: 50:1
  • Output Type: Hollow Bore
  • Mounting Type: Shaft
  • Dimensions: 5-1/2 in W
  • Material: Cast Iron
  • Type: Right Angle Single Reduction
  • Series: GR Series


  • Weight: 27.0 lb



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