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700 Series Standard Reducer

721-20-G

700 Series Standard Reducer
Item #101835277
  • 2 1/16" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Left Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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700 Series Standard Reducer
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    Shipment Options
  • 2 1/16" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Left Output
  • Universal Worm Position

features

  • Large oil reservoir provides efficient heat dissipation and lubrication for longer life
  • Housing is straddle milled top and bottom for precise alignment
  • Internal baffles ensure positive, leak-free venting
  • Rugged housing fabricated of fine-grained cast iron for maximum strength and greater precision during worm and gear alignment
  • Bronze worm gear is straddle mounted between heavy-duty tapered roller bearings to increase thrust and load capacities on size 713 to 760
  • High strength steel output shaft ensures capacity for high torque
  • Pipe plugs allow easy fill, level and drain in any mounting position
  • Super finished oil seal diameters on both input and output shafts extend seal life

caution

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Output Configuration Left Output
Washdown Duty No
Use With 721
Motor Application General Purpose
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Max. Overhung Load @ 1750 rpm 700 lb/in
Lubrication None
Max. Input HP @ 100 rpm 0.11 hp
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Housing Material Cast Iron
Output RPM @ 1750 rpm Input 87.5 rpm
Input HP @ RPM 0.86 hp @ 1150 rpm, 1.4 hp @ 1750 rpm
Max. Thrust Load @ 1150 rpm 700 lb/in
Torque Out @ 1150 rpm 782 in lb
Box Height 6 3/8 in
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Ratio 20:1
Shaft Assembly Code G
Output Torque @ RPM 782 in lb @ 1150 rpm, 892 in lb @ 1750 rpm
Center Distance 2.0625 in
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Base to Centerline of Input Shaft 4 11/32 in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Frame Size Shaft Input, Not a C-Face
Box Width 3 13/16 in
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Box Length 6 in
Torque Out @ 1750 rpm 892 in lb
Output (Shaft or Bore) Size 1 in
Base to Centerline of Output Shaft 2 9/32 in
Reduction Type Single Reduction
HP @ RPM 1 hp @ 1800 rpm
Fan Cooled No
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Input (Shaft or Bore) Size 5/8 in
Worm Position Universal
Thermal Input Horsepower @ 1750 RPM N/A
Bolt Center 6 3/8 in x 4 11/16 in
Input Configuration Shaft Input
Frame N/A
Family Name Std Unit
Weight 24.1 LB
EAN or UPC 781711516904
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