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Boston GearRF730-20-B7-J

RF730-20-B7-J

730 Series C-Face Coupled Reducer
Item #101794828
  • 3" Center Distance
  • 20:1 Ratio
  • C-Face Coupled
  • Right Output
  • 140TC/180C Frame
  • No Lubricant
  • Cast Iron
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Boston GearRF730-20-B7-J
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    Shipment Options
  • 3" Center Distance
  • 20:1 Ratio
  • C-Face Coupled
  • Right Output
  • 140TC/180C Frame

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

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Center Distance 3 in
Base to Centerline of Input Shaft 6 1/4 in
Output (Shaft or Bore) Size 1 1/4 in
Housing Material Cast Iron
Max. Overhung Load @ 1750 rpm 1250 lb/in
Frame Size 140TC, 180C
Max. Overhung Load @ RPM 1250 lb/in @ 1150 rpm, 1250 lb/in @ 1750 rpm
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Input HP @ RPM 2.68 hp @ 1150 rpm, 3.14 hp @ 1750 rpm
Bolt Center 7 in x 4 in
Use With 730
Worm Position Universal
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
Box Width 6 49/64 in
Family Name RF
Frame 140TC, 180C
Input Configuration C-Face Coupled
Reduction Type Single Reduction
Box Length 8 1/8 in
Torque Out @ 1150 rpm 2470 in lb
Input (Shaft or Bore) Size 7/8 in
Output Torque @ RPM 2024 in lb @ 1750 rpm, 2470 in lb @ 1150 rpm
HP @ RPM 3 hp @ 1800 rpm
Fan Cooled No
Ratio 20:1
Base to Centerline of Output Shaft 3 1/4 in
Torque Out @ 1750 rpm 2024 in lb
Max. Thrust Load @ 1150 rpm 1000 lb/in
Washdown Duty No
Output RPM @ 1750 rpm Input 87.5 rpm
Output Configuration Right Output
Motor Application General Purpose
Lubrication None
Weight 66.1 LB
EAN or UPC 781711607503
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