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Boston GearRF738-20E-B9-J

RF738-20E-B9-J

700 Series C-Face Coupled Reducer
Item #101901689
  • 3 3/4" Center Distance
  • 20:1 Ratio
  • 180TC or 210C Frame
  • C-Face Coupled Input
  • Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF738-20E-B9-J
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    Shipment Options
  • 3 3/4" Center Distance
  • 20:1 Ratio
  • 180TC or 210C Frame
  • C-Face Coupled Input
  • Right Output

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
Fan Cooled No
Washdown Duty No
Reduction Type Single Reduction
Bore Code B9
Ratio 20:1
Family Name RF
Motor HP 5 hp
Output Configuration Right Output
Housing Material Cast Iron
HP @ RPM 5 hp @ 1800 rpm
Bolt Centers w/ Vertical Base Kits (in) 13.94 x 8.00
Worm Position Universal
Box Length 10 in
Motor Application General Purpose
Input Configuration C-Face Coupled
Center Distance 3 3/4 in
Box Height 10 7/16 in
Max. Thrust Load @ RPM 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm
Base to Centerline of Output Shaft 3 7/8 in
Shaft Assembly Code J
Output Torque @ RPM 3285 in lb @ 1750 rpm, 3900 in lb @ 1150 rpm
Frame 180TC, 210C
Input (Shaft or Bore) Size 1 1/8 in
Max. Overhung Load @ RPM 2000 lb/in @ 1150 rpm, 2000 lb/in @ 1750 rpm
Base to Centerline of Input Shaft 7 5/8 in
Bolt Centers w/ Std. Base Kit (in) 10 3/8 x 7
Base to Shaft Center Height w/Low Vert. Base Kit 5 1/4 in
Torque Out @ 1150 rpm 3900 in lb
Frame Size 180TC, 210C
Max. Thrust Load @ 1150 rpm 1300 lb/in
Torque Out @ 1750 rpm 3285 in lb
Base to Shaft Center Height w/Std. Base Kit 7 1/2 in
Max. Overhung Load @ 1750 rpm 2000 lb/in
Lubrication None
Output (Shaft or Bore) Size 1 5/8 in
Output RPM @ 1750 rpm Input 87.5 rpm
Thermal Input Horsepower @ 1750 RPM N/A
Bolt Center 8 1/2 in x 4 3/4 in
Keyway Size 1/4 x 1/8
Box Width 8 3/8 in
Base to Shaft Center Height w/High Vert. Base Kit 7 in
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Max. Input HP @ 100 rpm 0.61 hp
Input HP @ RPM 4.1 hp @ 1150 rpm, 5 hp @ 1750 rpm
Weight 101.1 LB
EAN or UPC 781711528082
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