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Boston GearRF732-20F-B9-G

RF732-20F-B9-G

700 Series C-Face Coupled Reducer
Item #101916499
  • 3 1/4" Center Distance
  • 20:1 Ratio
  • 180TC or 210C Frame
  • w/Fan
  • C-Face Coupled Input
  • Left Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF732-20F-B9-G
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    Shipment Options
  • 3 1/4" Center Distance
  • 20:1 Ratio
  • 180TC or 210C Frame
  • w/Fan
  • C-Face Coupled Input

features

  • 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
  • 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
  • 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

  • Never use any ‘‘Air King’’ coupling for steam service.
  • For air service only
Base to Shaft Center Height w/Low Vert. Base Kit 4.69 in
Base to Shaft Center Height w/Std. Base Kit 6 3/4 in
Base to Shaft Center Height w/High Vert. Base Kit 6 1/4 in
Fan Cooled Yes
Keyway Size 1/4 x 1/8
Bore Code B9
Bolt Centers w/ Vertical Base Kits (in) 11.88 x 6.13
Box Length 9 in
Bolt Centers w/ Std. Base Kit (in) 9 1/2 x 6 1/8
Max. Overhung Load @ RPM 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm
Max. Thrust Load @ 1150 rpm 1100 lb/in
Washdown Duty No
HP @ RPM 3 hp @ 1800 rpm
Installed Options Fan
Ratio 20:1
Torque Out @ 1750 rpm 2558 in lb
Bolt Center 7 1/2 in x 4 in
Base to Centerline of Input Shaft 6 3/4 in
Worm Position Universal
Max. Thrust Load @ RPM 1100 lb/in @ 1150 rpm, 1100 lb/in @ 1750 rpm
Torque Out @ 1150 rpm 3000 in lb
Frame Size 180TC, 210C
Output Torque @ RPM 2558 in lb @ 1750 rpm, 3000 in lb @ 1150 rpm
Housing Material Cast Iron
Use With 732
Output (Shaft or Bore) Size 1 3/8 in
Output RPM @ 1750 rpm Input 87.5 rpm
Input Configuration C-Face Coupled
Base to Centerline of Output Shaft 3 1/2 in
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Box Height 9 3/8 in
Input HP @ RPM 3.2 hp @ 1150 rpm, 4.63 hp @ 1750 rpm
Max. Overhung Load @ 1750 rpm 1300 lb/in
Box Width 7 9/16 in
Shaft Assembly Code G
Lubrication None
Center Distance 3 1/4 in
Output Configuration Left Output
Frame 180TC, 210C
Motor HP 3 hp
Input (Shaft or Bore) Size 1 1/8 in
Reduction Type Single Reduction
Max. Input HP @ 100 rpm 0.41 hp
Motor Application General Purpose
Thermal Input Horsepower @ 1750 RPM N/A
Family Name RF
Weight 77.1 LB
EAN or UPC 781711534274
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