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Boston Gear715-20-J

715-20-J

700 Series Standard Reducer
Item #101806685
  • 1.540" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston Gear715-20-J
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    Shipment Options
  • 1.540" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Right Output
  • Universal Worm Position

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

  • Periodic inspection is required to determine if the unit is in proper working order by inspecting and replacing the urethane seal, inspecting to see if material buildup has occurred and ensuring proper adjustment and tightness of all adjustable bolts.
  • The Guardianâ„¢ is designed to help minimize the potential for danger but cannot guarantee protection in all situations or applications.
Input Configuration Shaft Input
Base to Centerline of Input Shaft 3 29/64 in
Max. Thrust Load @ RPM 400 lb/in @ 1150 rpm, 400 lb/in @ 1750 rpm
Ratio 20:1
Bolt Centers w/ Vertical "J" Base Kit (in) 7.25 x 2.50
Torque Out @ 1150 rpm 380 in lb
Lubrication None
Housing Material Cast Iron
Output (Shaft or Bore) Size 3/4 in
Base to Shaft Center Height w/Std. Base Kit 4.06 in
Washdown Duty No
Worm Position Universal
Motor Application General Purpose
Max. Overhung Load @ RPM 300 lb/in @ 1150 rpm, 300 lb/in @ 1750 rpm
Thermal Input Horsepower @ 1750 RPM N/A
Use With 715
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Frame N/A
Reduction Type Single Reduction
Bolt Center 5 1/4 in x 4 5/16 in
Base to Shaft Center Height w/Low Vert. Base Kit 3 in
Box Length 5 1/8 in
Base to Centerline of Output Shaft 1 29/32 in
Max. Overhung Load @ 1750 rpm 300 lb/in
Torque Out @ 1750 rpm 435 in lb
Max. Thrust Load @ 1150 rpm 400 lb/in
HP @ RPM 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm
Output Configuration Right Output
Base to Shaft Center Height w/High Vert. Base Kit 4.38 in
Box Height 5 3/8 in
Shaft Assembly Code J
Fan Cooled No
Bolt Center Length x Bolt Center Width 5 1/4 in x 4 5/16 in
Family Name Std Unit
Base to Shaft Center Height w/Vert. "J" Base Kit 3.5 in
Output RPM @ 1750 rpm Input 87.5 rpm
Input (Shaft or Bore) Size 5/8 in
Frame Size Shaft Input, Not a C-Face
Input HP @ RPM 0.43 hp @ 1150 rpm, 0.72 hp @ 1750 rpm
Max. Input HP @ 100 rpm 0.056 hp
Center Distance 1.54 in
Bolt Centers w/ Std. Base Kit (in) 5 1/4 x 4 5/16
Output Torque @ RPM 380 in lb @ 1150 rpm, 435 in lb @ 1750 rpm
Bolt Centers w/ Vertical Base Kits (in) 6.97 x 4.00
Box Width 3 11/16 in
Weight 17.1 LB
EAN or UPC 781711516416
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