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Boston GearRF738-50F-B7-H

RF738-50F-B7-H

700 Series C-Face Coupled Reducer
Item #101855341
  • 3 3/4" Center Distance
  • 50:1 Ratio
  • 140TC or 180C Frame
  • w/Fan
  • C-Face Coupled Input
  • Left & Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF738-50F-B7-H
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    Shipment Options
  • 3 3/4" Center Distance
  • 50:1 Ratio
  • 140TC or 180C 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

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Output (Shaft or Bore) Size 1 5/8 in
Bolt Center 8 1/2 in x 4 3/4 in
Box Height 10 7/16 in
Bolt Centers w/ Vertical Base Kits (in) 13.94 x 8.00
Box Width 8 3/8 in
Torque Out @ 1150 rpm 4000 in lb
Max. Overhung Load @ 1750 rpm 2000 lb/in
Motor HP 2 hp
Input Configuration C-Face Coupled
Bore Code B7
Output Configuration Left & Right Output
Base to Shaft Center Height w/High Vert. Base Kit 7 in
Ratio 50:1
Input HP @ RPM 1.96 hp @ 1150 rpm, 2.71 hp @ 1750 rpm
Washdown Duty No
Base to Shaft Center Height w/Low Vert. Base Kit 5 1/4 in
Box Length 10 in
Bolt Centers w/ Std. Base Kit (in) 10 3/8 x 7
Worm Position Universal
Output RPM @ Input RPM 35 rpm @ 1750 rpm
Output RPM @ 1750 rpm Input 35 rpm
Frame Size 140TC, 180C
Shaft Assembly Code H
Max. Overhung Load @ RPM 2000 lb/in @ 1150 rpm, 2000 lb/in @ 1750 rpm
Base to Shaft Center Height w/Std. Base Kit 7 1/2 in
Motor Application General Purpose
Torque Out @ 1750 rpm 3626 in lb
Center Distance 3 3/4 in
Input (Shaft or Bore) Size 7/8 in
Reduction Type Single Reduction
Max. Thrust Load @ 1150 rpm 1300 lb/in
Output Torque @ RPM 3626 in lb @ 1750 rpm, 4000 in lb @ 1150 rpm
Installed Options Fan
Frame 140TC, 180C
Keyway Size 3/16 x 3/32
Lubrication None
HP @ RPM 3 hp @ 1800 rpm
Max. Thrust Load @ RPM 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm
Family Name RF
Base to Centerline of Input Shaft 7.625 in
Fan Cooled Yes
Base to Centerline of Output Shaft 3.875 in
Housing Material Cast Iron
Max. Input HP @ 100 rpm 0.25 hp
Thermal Input Horsepower @ 1750 RPM N/A
Weight 101.1 LB
EAN or UPC 781711496046
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