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Boston GearRF738-20F-B9-J

RF738-20F-B9-J

700 Series C-Face Coupled Reducer
Item #101855340
  • 3 3/4" Center Distance
  • 20:1 Ratio
  • 180TC or 210C Frame
  • w/Fan
  • C-Face Coupled Input
  • Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF738-20F-B9-J
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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

  • Steel housings must be used for operating pressures above 210 bar (3,000 psi)
Base to Shaft Center Height w/Low Vert. Base Kit 5 1/4 in
Output RPM @ 1750 rpm Input 87.5 rpm
Output Configuration Right Output
Bolt Center 8 1/2 in x 4 3/4 in
Center Distance 3 3/4 in
Max. Thrust Load @ RPM 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm
Input Configuration C-Face Coupled
Reduction Type Single Reduction
Keyway Size 1/4 x 1/8
Fan Cooled Yes
Torque Out @ 1750 rpm 3707 in lb
Bolt Centers w/ Vertical Base Kits (in) 13.94 x 8.00
Family Name RF
Base to Shaft Center Height w/Std. Base Kit 7 1/2 in
Output Torque @ RPM 3707 in lb @ 1750 rpm, 4325 in lb @ 1150 rpm
Bolt Centers w/ Std. Base Kit (in) 10 3/8 x 7
Motor Application General Purpose
Washdown Duty No
Worm Position Universal
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Max. Thrust Load @ 1150 rpm 1300 lb/in
Motor HP 5 hp
Input HP @ RPM 4.55 hp @ 1150 rpm, 5.95 hp @ 1750 rpm
Input (Shaft or Bore) Size 1 1/8 in
Box Height 10 7/16 in
Box Width 8 3/8 in
Shaft Assembly Code J
Box Length 10 in
Output (Shaft or Bore) Size 1 5/8 in
Ratio 20:1
Max. Overhung Load @ RPM 2000 lb/in @ 1150 rpm, 2000 lb/in @ 1750 rpm
Torque Out @ 1150 rpm 4325 in lb
Frame Size 180TC, 210C
Housing Material Cast Iron
Lubrication None
Max. Overhung Load @ 1750 rpm 2000 lb/in
Installed Options Fan
HP @ RPM 5 hp @ 1800 rpm
Base to Centerline of Output Shaft 3.875 in
Frame 180TC, 210C
Base to Shaft Center Height w/High Vert. Base Kit 7 in
Thermal Input Horsepower @ 1750 RPM N/A
Max. Input HP @ 100 rpm 0.61 hp
Bore Code B9
Base to Centerline of Input Shaft 7.625 in
Weight 101.1 LB
EAN or UPC 781711495933
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