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Boston Gear724-20-J

724-20-J

700 Series Standard Reducer
Item #101837659
  • 2 3/8" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston Gear724-20-J
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    Shipment Options
  • 2 3/8" 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

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Bolt Centers w/ Std. Base Kit (in) 7 1/16 x 4 7/8
Frame Size Shaft Input, Not a C-Face
Output RPM @ 1750 rpm Input 87.5 rpm
Base to Centerline of Output Shaft 2 1/2 in
Base to Shaft Center Height w/Vert. "J" Base Kit 4.06 in
Center Distance 2.375 in
Max. Thrust Load @ RPM 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm
Use With 724
Max. Input HP @ 100 rpm 0.17 hp
Base to Shaft Center Height w/High Vert. Base Kit 5 1/4 in
Box Width 4 1/16 in
Output (Shaft or Bore) Size 1 1/8 in
Output Configuration Right Output
Fan Cooled No
Max. Overhung Load @ RPM 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm
Input HP @ RPM 1.27 hp @ 1150 rpm, 1.95 hp @ 1750 rpm
Torque Out @ 1750 rpm 1233 in lb
Torque Out @ 1150 rpm 1160 in lb
Bolt Centers w/ Vertical "J" Base Kit (in) 9.19 x 2.88
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Base to Centerline of Input Shaft 4 7/8 in
Max. Overhung Load @ 1750 rpm 900 lb/in
Lubrication None
Frame N/A
Reduction Type Single Reduction
Ratio 20:1
Max. Thrust Load @ 1150 rpm 900 lb/in
Bolt Center 7 1/16 in x 4 7/8 in
Box Length 6 3/8 in
HP @ RPM 1.5 hp @ 1800 rpm
Output Torque @ RPM 1160 in lb @ 1150 rpm, 1233 in lb @ 1750 rpm
Base to Shaft Center Height w/Low Vert. Base Kit 3.38 in
Worm Position Universal
Input (Shaft or Bore) Size 3/4 in
Washdown Duty No
Motor Application General Purpose
Input Configuration Shaft Input
Shaft Assembly Code J
Bolt Centers w/ Vertical Base Kits (in) 8.94 x 4.88
Housing Material Cast Iron
Box Height 6 15/16 in
Family Name Std Unit
Thermal Input Horsepower @ 1750 RPM N/A
Base to Shaft Center Height w/Std. Base Kit 5.19 in
Weight 29.1 LB
EAN or UPC 781711517192
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