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Boston GearRF738-50F-B7-G

RF738-50F-B7-G

700 Series C-Face Coupled Reducer
Item #101855342
  • 3 3/4" Center Distance
  • 50:1 Ratio
  • 140TC or 180C Frame
  • w/Fan
  • C-Face Coupled Input
  • Left Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF738-50F-B7-G
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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
Installed Options Fan
Shaft Assembly Code G
Output Torque @ RPM 3626 in lb @ 1750 rpm, 4000 in lb @ 1150 rpm
Bore Code B7
Worm Position Universal
Output RPM @ Input RPM 35 rpm @ 1750 rpm
Ratio 50:1
Lubrication None
Washdown Duty No
Frame Size 140TC, 180C
Bolt Centers w/ Vertical Base Kits (in) 13.94 x 8.00
Torque Out @ 1750 rpm 3626 in lb
Base to Shaft Center Height w/Std. Base Kit 7 1/2 in
Reduction Type Single Reduction
Bolt Centers w/ Std. Base Kit (in) 10 3/8 x 7
Output RPM @ 1750 rpm Input 35 rpm
Output Configuration Left Output
Center Distance 3 3/4 in
Base to Centerline of Output Shaft 3 7/8 in
Input Configuration C-Face Coupled
Thermal Input Horsepower @ 1750 RPM N/A
Torque Out @ 1150 rpm 4000 in lb
Motor HP 2 hp
Box Width 8 3/8 in
Max. Overhung Load @ RPM 2000 lb/in @ 1150 rpm, 2000 lb/in @ 1750 rpm
Base to Shaft Center Height w/Low Vert. Base Kit 5 1/4 in
Input HP @ RPM 1.96 hp @ 1150 rpm, 2.71 hp @ 1750 rpm
Max. Thrust Load @ 1150 rpm 1300 lb/in
Max. Overhung Load @ 1750 rpm 2000 lb/in
Input (Shaft or Bore) Size 7/8 in
Housing Material Cast Iron
Output (Shaft or Bore) Size 1 5/8 in
Box Height 10 7/16 in
Base to Centerline of Input Shaft 7 5/8 in
HP @ RPM 3 hp @ 1800 rpm
Family Name RF
Max. Thrust Load @ RPM 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm
Bolt Center 8 1/2 in x 4 3/4 in
Keyway Size 3/16 x 3/32
Base to Shaft Center Height w/High Vert. Base Kit 7 in
Fan Cooled Yes
Max. Input HP @ 100 rpm 0.25 hp
Box Length 10 in
Frame 140TC, 180C
Motor Application General Purpose
Weight 101.1 LB
EAN or UPC 781711496039
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