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Boston Gear730-20-J

730-20-J

730 Series Standard Reducer
Item #101792677
  • 3" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Right Output
  • No Lubricant
  • Cast Iron
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Boston Gear730-20-J
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    Shipment Options
  • 3" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Right Output
  • No Lubricant

features

  • 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
  • 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
  • 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

  • Motors misapplied in hazardous environments can cause a fire or explosion, resulting in destruction of property, serious injury or death
  • Only the end user or a qualified underwriter is to identify and select the proper class, group, division and temperature code motor to meet the requirements of each installation
  • Service center personnel can advise what listings and approvals motors carry, but cannot evaluate nor recommend what motors may be suitable for use in hazardous environments
Input Configuration Shaft Input
Input (Shaft or Bore) Size 7/8 in
Worm Position Universal
Ratio 20:1
Max. Overhung Load @ RPM 1250 lb/in @ 1150 rpm, 1250 lb/in @ 1750 rpm
Thermal Input Horsepower @ 1750 RPM N/A
HP @ RPM 3 hp @ 1800 rpm
Center Distance 3 in
Lubrication None
Output RPM @ 1750 rpm Input 87.5 rpm
Frame Size Shaft Input, Not a C-Face
Base to Centerline of Output Shaft 3 1/4 in
Max. Thrust Load @ 1150 rpm 1000 lb/in
Output Configuration Right Output
Reduction Type Single Reduction
Family Name Std Unit
Output (Shaft or Bore) Size 1 1/4 in
Housing Material Cast Iron
Washdown Duty No
Fan Cooled No
Torque Out @ 1750 rpm 2024 in lb
Output Torque @ RPM 2024 in lb @ 1750 rpm, 2470 in lb @ 1150 rpm
Box Height 8 7/8 in
Use With 730
Box Width 6 49/64 in
Box Length 8 45/64 in
Motor Application General Purpose
Base to Centerline of Input Shaft 6 1/4 in
Frame N/A
Bolt Center 7 in x 4 in
Max. Thrust Load @ RPM 1000 lb/in @ 1150 rpm, 1000 lb/in @ 1750 rpm
Input HP @ RPM 2.68 hp @ 1150 rpm, 3.14 hp @ 1750 rpm
Torque Out @ 1150 rpm 2470 in lb
Max. Overhung Load @ 1750 rpm 1250 lb/in
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Weight 55.1 LB
EAN or UPC 781711648346
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