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