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Boston GearRF738-20F-B9-G

RF738-20F-B9-G

700 Series C-Face Coupled Reducer
Item #101853363
  • 3 3/4" 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 GearRF738-20F-B9-G
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    Shipment Options
  • 3 3/4" 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

  • High loads, high ambient or operating temperatures, and unusually contaminated atmospheres will require more frequent relubrication.
Motor Application General Purpose
Base to Centerline of Input Shaft 7.625 in
Output (Shaft or Bore) Size 1 5/8 in
Output Torque @ RPM 3707 in lb @ 1750 rpm, 4325 in lb @ 1150 rpm
Housing Material Cast Iron
Torque Out @ 1750 rpm 3707 in lb
Frame Size 180TC, 210C
Family Name RF
Bolt Centers w/ Std. Base Kit (in) 10 3/8 x 7
Torque Out @ 1150 rpm 4325 in lb
Installed Options Fan
Input (Shaft or Bore) Size 1 1/8 in
Ratio 20:1
Base to Shaft Center Height w/Std. Base Kit 7 1/2 in
Max. Thrust Load @ 1150 rpm 1300 lb/in
Max. Thrust Load @ RPM 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm
Base to Shaft Center Height w/Low Vert. Base Kit 5 1/4 in
Output Configuration Left Output
Box Height 10 7/16 in
Frame 180TC, 210C
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Fan Cooled Yes
Worm Position Universal
Base to Shaft Center Height w/High Vert. Base Kit 7 in
Center Distance 3 3/4 in
Thermal Input Horsepower @ 1750 RPM N/A
Bolt Center 8 1/2 in x 4 3/4 in
Bolt Centers w/ Vertical Base Kits (in) 13.94 x 8.00
Reduction Type Single Reduction
Keyway Size 1/4 x 1/8
HP @ RPM 5 hp @ 1800 rpm
Max. Overhung Load @ 1750 rpm 2000 lb/in
Input HP @ RPM 4.55 hp @ 1150 rpm, 5.95 hp @ 1750 rpm
Box Width 8 3/8 in
Bore Code B9
Max. Overhung Load @ RPM 2000 lb/in @ 1150 rpm, 2000 lb/in @ 1750 rpm
Shaft Assembly Code G
Base to Centerline of Output Shaft 3.875 in
Lubrication None
Output RPM @ 1750 rpm Input 87.5 rpm
Box Length 10 in
Motor HP 5 hp
Max. Input HP @ 100 rpm 0.61 hp
Input Configuration C-Face Coupled
Washdown Duty No
Weight 101.1 LB
EAN or UPC 781711495919
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