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Boston GearRF730-20-B5-J

RF730-20-B5-J

730 Series C-Face Coupled Reducer
Item #101791892
  • 3" Center Distance
  • 20:1 Ratio
  • C-Face Coupled
  • Right Output
  • 56C Frame
  • No Lubricant
  • Cast Iron
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Boston GearRF730-20-B5-J
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    Shipment Options
  • 3" Center Distance
  • 20:1 Ratio
  • C-Face Coupled
  • Right Output
  • 56C Frame

features

  • Pipe plugs allow easy fill, level and drain in any mounting position
  • High strength steel output shaft ensures capacity for high torque
  • Super finished oil seal diameters on both input and output shafts extend seal life
  • Internal baffles ensure positive, leak-free venting
  • Housing is straddle milled top and bottom for precise alignment
  • 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

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
Output (Shaft or Bore) Size 1 1/4 in
Torque Out @ 1750 rpm 2024 in lb
Input HP @ RPM 2.68 hp @ 1150 rpm, 3.14 hp @ 1750 rpm
Torque Out @ 1150 rpm 2470 in lb
Max. Thrust Load @ 1150 rpm 1000 lb/in
Output RPM @ 1750 rpm Input 87.5 rpm
Thermal Input Horsepower @ 1750 RPM N/A
Max. Overhung Load @ RPM 1250 lb/in @ 1150 rpm, 1250 lb/in @ 1750 rpm
Washdown Duty No
Ratio 20:1
Input (Shaft or Bore) Size 5/8 in
Output Configuration Right Output
Family Name RF
Input Configuration C-Face Coupled
Worm Position Universal
Frame 56C
Base to Centerline of Input Shaft 6 1/4 in
Frame Size 56C
Box Width 6 49/64 in
Base to Centerline of Output Shaft 3 1/4 in
Lubrication None
HP @ RPM 3 hp @ 1800 rpm
Box Length 8 1/8 in
Use With 730
Max. Thrust Load @ RPM 1000 lb/in @ 1150 rpm, 1000 lb/in @ 1750 rpm
Housing Material Cast Iron
Max. Overhung Load @ 1750 rpm 1250 lb/in
Bolt Center 7 in x 4 in
Box Height 8 7/8 in
Output Torque @ RPM 2024 in lb @ 1750 rpm, 2470 in lb @ 1150 rpm
Center Distance 3 in
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Motor Application General Purpose
Reduction Type Single Reduction
Fan Cooled No
Weight 66.1 LB
EAN or UPC 781711607893
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