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