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Boston GearRF718-5-B7-H

RF718-5-B7-H

700 Series C-Face Coupled Reducer
Item #102040220
  • 1 3/4" Center Distance
  • 5:1 Ratio
  • 140TC or 180C Frame
  • C-Face Coupled Input
  • Left & Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF718-5-B7-H
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    Shipment Options
  • 1 3/4" Center Distance
  • 5:1 Ratio
  • 140TC or 180C Frame
  • C-Face Coupled Input
  • Left & 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

  • Any sliding spool valve, if held for long periods of time, may stick and not spring return due to fluid residue formation and therefore should be cycled periodically to prevent this from happening
Washdown Duty No
Max. Overhung Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Bore Code B7
Base to Centerline of Input Shaft 3.8125 in
Bolt Center 4 3/16 in x 2 3/4 in
Torque Out @ 1150 rpm 350 in lb
Torque Out @ 1750 rpm 432 in lb
Output (Shaft or Bore) Size 7/8 in
Lubrication None
Fan Cooled No
Use With 718
Box Length 5 1/2 in
Base to Shaft Center Height w/Low Vert. Base Kit 3 in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.5 in
Output Torque @ RPM 350 in lb @ 1150 rpm, 432 in lb @ 1750 rpm
Input HP @ RPM 1.42 hp @ 1150 rpm, 2.55 hp @ 1750 rpm
Frame Size 140TC, 180C
Reduction Type Single Reduction
Output RPM @ Input RPM 350 rpm @ 1750 rpm
Bolt Centers w/ Std. Base Kit (in) 5 3/4 x 4 1/2
Frame 140TC, 180C
Max. Thrust Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Motor HP 2 hp
Family Name RF
Max. Input HP @ 100 rpm 0.17 hp
Bolt Centers w/ Vertical Base Kits (in) 7.38 x 4.00
HP @ RPM 2 hp @ 1800 rpm
Base to Shaft Center Height w/High Vert. Base Kit 4.38 in
Box Width 5 1/32 in
Shaft Assembly Code H
Input (Shaft or Bore) Size 7/8 in
Max. Overhung Load @ 1750 rpm 500 lb/in
Max. Thrust Load @ 1150 rpm 500 lb/in
Output Configuration Left & Right Output
Bolt Centers w/ Vertical "J" Base Kit (in) 7.63 x 2.50
Keyway Size 3/16 x 3/32
Input Configuration C-Face Coupled
Housing Material Cast Iron
Center Distance 1 3/4 in
Ratio 5:1
Base to Shaft Center Height w/Std. Base Kit 4.38 in
Output RPM @ 1750 rpm Input 350 rpm
Worm Position Universal
Base to Centerline of Output Shaft 2.0625 in
Motor Application General Purpose
Box Height 5 3/4 in
Thermal Input Horsepower @ 1750 RPM N/A
Weight 27.1 LB
EAN or UPC 781711528709
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