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Boston Gear730-25-G

730-25-G

730 Series Standard Reducer
Item #101780697
  • 3" Center Distance
  • 25:1 Ratio
  • Shaft Input
  • Left Output
  • No Lubricant
  • Cast Iron
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Boston Gear730-25-G
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    Shipment Options
  • 3" Center Distance
  • 25:1 Ratio
  • Shaft Input
  • Left 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
Worm Position Universal
Output RPM @ 1750 rpm Input 70 rpm
Input (Shaft or Bore) Size 7/8 in
Box Length 8 45/64 in
Max. Thrust Load @ 1150 rpm 1000 lb/in
Fan Cooled No
Motor Application General Purpose
Family Name Std Unit
Base to Centerline of Output Shaft 3 1/4 in
Washdown Duty No
Use With 730
Ratio 25:1
Box Width 6 49/64 in
Housing Material Cast Iron
Torque Out @ 1150 rpm 2560 in lb
Output RPM @ Input RPM 70 rpm @ 1750 rpm
Max. Overhung Load @ RPM 1250 lb/in @ 1150 rpm, 1250 lb/in @ 1750 rpm
Frame Size Shaft Input, Not a C-Face
Output Torque @ RPM 2051 in lb @ 1750 rpm, 2560 in lb @ 1150 rpm
Max. Thrust Load @ RPM 1000 lb/in @ 1150 rpm, 1000 lb/in @ 1750 rpm
Box Height 8 7/8 in
Thermal Input Horsepower @ 1750 RPM N/A
Output (Shaft or Bore) Size 1 1/4 in
Max. Overhung Load @ 1750 rpm 1250 lb/in
Lubrication None
Reduction Type Single Reduction
Frame N/A
Bolt Center 7 in x 4 in
Center Distance 3 in
Torque Out @ 1750 rpm 2051 in lb
Base to Centerline of Input Shaft 6 1/4 in
Input Configuration Shaft Input
Output Configuration Left Output
Input HP @ RPM 2.3 hp @ 1150 rpm, 2.61 hp @ 1750 rpm
HP @ RPM 2 hp @ 1800 rpm
Weight 55.1 LB
EAN or UPC 781711648353
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