Specifications

• Center Distance
  3.0000 in
• Reduction
  Single Reduction
• Ratio
  20:1
• Case Included
  Yes
• Max Input Horsepower
  3.947 hp
• Horsepower Rating Normal Duty
  3.947 hp
• Input Type
  C-Face Coupling
• Output Bore Type
  Solid Shaft
• Input Size
  0.6250 in
• Output Type
  Solid
• Output Size
  1.2500 in
• Output Direction
  Right Hand
• Style
  Flexible Coupling Input
• NEMA / IEC Frame Size
  56C
• Maximum Output RPM
  87 rpm
• Maximum Output Torque
  2454 in/lb;277.265 nm
• Housing Material
  Cast Iron
• Seal Material
  Viton
• Overhung Load Capacity
  9652.65 N, 2170 lbs
• Housing Dimensions
  8.8800 in x 8.1200 in x 8.8800 in, 225.55 mm x 206.25 mm x 225.55 mm
• Housing Height
  8.8800 in, 225.55 mm
• Housing Length
  8.8800 in, 225.55 mm
• Housing Width
  8.1200 in
• Keyway Size
  3/16 x 3/32 in, 4.763 x 2.38 mm
• Service Factor
  1
• Series
  GR
• Length
  8.8800 in, 225.55 mm
• Manufacturer Reducer Size
  830
• Mounting Type
  Base
• Manufacturer Catalog Number
  GR-BM830-20-R-56
• Shipping Dimensions Height
  15.0000 in;381 mm
• Shipping Dimensions Length
  19.3800 in;492.25 mm
• Shipping Dimensions Width
  15.1300 in;384.30 mm
• Weight
  69 lbs, 31.298 kg
• Horsepower
  3.947 hp
• Input Style
  C-Face Quill
• Lubrication
  Factory Filled Oil
• Nominal Ratio
  20:1
• Output
  3.407 hp;2.541 kw
• Shaft Diameter
  1.2500 in, 31.75 mm
• Torque Rating (in-lb)
  2454 in-lbs;277.265 Nm
• Bore Diameter
  0.6250 in, 15.88 mm
• Output Shaft
  Solid Shaft
• Overhung Load
  2170 lbs
• Gearbox Component Type
  Speed Reducer
• Case Size
  830
• Width
  8.1200 in, 206.25 mm