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Boston GearRF718-5-B7-J

RF718-5-B7-J

700 Series C-Face Coupled Reducer
Item #101872103
  • 1 3/4" Center Distance
  • 5:1 Ratio
  • 140TC or 180C Frame
  • C-Face Coupled Input
  • Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF718-5-B7-J
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    Shipment Options
  • 1 3/4" Center Distance
  • 5:1 Ratio
  • 140TC or 180C Frame
  • C-Face Coupled Input
  • Right Output

features

  • Super finished oil seal diameters on both input and output shafts extend seal life
  • 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

caution

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Use With 718
Output RPM @ Input RPM 350 rpm @ 1750 rpm
Base to Centerline of Output Shaft 2 1/16 in
Base to Shaft Center Height w/Low Vert. Base Kit 3 in
Max. Overhung Load @ 1750 rpm 500 lb/in
Frame 140TC, 180C
Torque Out @ 1150 rpm 350 in lb
Housing Material Cast Iron
Bolt Centers w/ Vertical "J" Base Kit (in) 7.63 x 2.50
Lubrication None
Max. Input HP @ 100 rpm 0.17 hp
Base to Shaft Center Height w/High Vert. Base Kit 4.38 in
Bolt Centers w/ Vertical Base Kits (in) 7.38 x 4.00
Box Width 5 1/32 in
Motor HP 2 hp
Input Configuration C-Face Coupled
Frame Size 140TC, 180C
Fan Cooled No
Reduction Type Single Reduction
Bolt Center Length x Bolt Center Width 4 3/16 in x 2 3/4 in
Bolt Center 4 3/16 in x 2 3/4 in
Max. Thrust Load @ 1150 rpm 500 lb/in
HP @ RPM 2 hp @ 1800 rpm
Worm Position Universal
Input HP @ RPM 1.42 hp @ 1150 rpm, 2.55 hp @ 1750 rpm
Family Name RF
Output Configuration Right Output
Max. Thrust Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Output RPM @ 1750 rpm Input 350 rpm
Base to Centerline of Input Shaft 3 13/16 in
Base to Shaft Center Height w/Std. Base Kit 4.38 in
Shaft Assembly Code J
Keyway Size 3/16 x 3/32
Box Height 5 3/4 in
Max. Overhung Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Ratio 5:1
Base to Shaft Center Height w/Vert. "J" Base Kit 3.5 in
Motor Application General Purpose
Center Distance 1 3/4 in
Washdown Duty No
Output Torque @ RPM 350 in lb @ 1150 rpm, 432 in lb @ 1750 rpm
Bolt Centers w/ Std. Base Kit (in) 5 3/4 x 4 1/2
Input (Shaft or Bore) Size 7/8 in
Box Length 5 1/2 in
Thermal Input Horsepower @ 1750 RPM N/A
Bore Code B7
Torque Out @ 1750 rpm 432 in lb
Output (Shaft or Bore) Size 7/8 in
Weight 27.1 LB
EAN or UPC 781711528716
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