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