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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
Lubrication None
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Max. Overhung Load @ RPM 1250 lb/in @ 1150 rpm, 1250 lb/in @ 1750 rpm
Box Length 8 45/64 in
Family Name Std Unit
Base to Centerline of Input Shaft 6 1/4 in
Input HP @ RPM 2.68 hp @ 1150 rpm, 3.14 hp @ 1750 rpm
Reduction Type Single Reduction
Input Configuration Shaft Input
Max. Thrust Load @ 1150 rpm 1000 lb/in
Center Distance 3 in
HP @ RPM 3 hp @ 1800 rpm
Frame Size Shaft Input, Not a C-Face
Bolt Center 7 in x 4 in
Housing Material Cast Iron
Base to Centerline of Output Shaft 3 1/4 in
Box Height 8 7/8 in
Fan Cooled No
Frame N/A
Input (Shaft or Bore) Size 7/8 in
Box Width 6 49/64 in
Torque Out @ 1150 rpm 2470 in lb
Output RPM @ 1750 rpm Input 87.5 rpm
Thermal Input Horsepower @ 1750 RPM N/A
Max. Overhung Load @ 1750 rpm 1250 lb/in
Output (Shaft or Bore) Size 1 1/4 in
Max. Thrust Load @ RPM 1000 lb/in @ 1150 rpm, 1000 lb/in @ 1750 rpm
Use With 730
Washdown Duty No
Torque Out @ 1750 rpm 2024 in lb
Worm Position Universal
Output Configuration Right Output
Motor Application General Purpose
Output Torque @ RPM 2024 in lb @ 1750 rpm, 2470 in lb @ 1150 rpm
Ratio 20:1
Weight 55.1 LB
EAN or UPC 781711648346
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