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Boston GearRF738-20E-B9-H

RF738-20E-B9-H

700 Series C-Face Coupled Reducer
Item #101872101
  • 3 3/4" Center Distance
  • 20:1 Ratio
  • 180TC or 210C Frame
  • C-Face Coupled Input
  • Left & Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF738-20E-B9-H
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    Shipment Options
  • 3 3/4" Center Distance
  • 20:1 Ratio
  • 180TC or 210C Frame
  • C-Face Coupled Input
  • Left & Right Output

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

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Family Name RF
Frame Size 180TC, 210C
Box Length 10 in
Housing Material Cast Iron
Bolt Centers w/ Vertical Base Kits (in) 13.94 x 8.00
Base to Shaft Center Height w/High Vert. Base Kit 7 in
Input HP @ RPM 4.1 hp @ 1150 rpm, 5 hp @ 1750 rpm
Max. Overhung Load @ RPM 2000 lb/in @ 1150 rpm, 2000 lb/in @ 1750 rpm
Output RPM @ 1750 rpm Input 87.5 rpm
Max. Thrust Load @ RPM 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm
Worm Position Universal
Output Configuration Left & Right Output
Torque Out @ 1750 rpm 3285 in lb
Output (Shaft or Bore) Size 1 5/8 in
Fan Cooled No
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Motor Application General Purpose
Base to Shaft Center Height w/Std. Base Kit 7 1/2 in
Max. Thrust Load @ 1150 rpm 1300 lb/in
Max. Overhung Load @ 1750 rpm 2000 lb/in
Motor HP 5 hp
Reduction Type Single Reduction
Lubrication None
Input (Shaft or Bore) Size 1 1/8 in
Ratio 20:1
Box Width 8 3/8 in
Box Height 10 7/16 in
Bolt Center 8 1/2 in x 4 3/4 in
Base to Centerline of Output Shaft 3 7/8 in
Keyway Size 1/4 x 1/8
Thermal Input Horsepower @ 1750 RPM N/A
Max. Input HP @ 100 rpm 0.61 hp
HP @ RPM 5 hp @ 1800 rpm
Base to Centerline of Input Shaft 7 5/8 in
Center Distance 3 3/4 in
Input Configuration C-Face Coupled
Base to Shaft Center Height w/Low Vert. Base Kit 5 1/4 in
Washdown Duty No
Bolt Centers w/ Std. Base Kit (in) 10 3/8 x 7
Output Torque @ RPM 3285 in lb @ 1750 rpm, 3900 in lb @ 1150 rpm
Bore Code B9
Torque Out @ 1150 rpm 3900 in lb
Shaft Assembly Code H
Frame 180TC, 210C
Weight 101.1 LB
EAN or UPC 781711528075
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