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Boston Gear724-40-J

724-40-J

700 Series Standard Reducer
Item #101835789
  • 2 3/8" Center Distance
  • 40:1 Ratio
  • Shaft Input
  • Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston Gear724-40-J
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    Shipment Options
  • 2 3/8" Center Distance
  • 40:1 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
Family Name Std Unit
Base to Centerline of Output Shaft 2.5 in
Worm Position Universal
Max. Thrust Load @ 1150 rpm 900 lb/in
Max. Overhung Load @ 1750 rpm 900 lb/in
Output RPM @ 1750 rpm Input 43.75 rpm
Bolt Centers w/ Std. Base Kit (in) 7 1/16 x 4 7/8
Output Configuration Right Output
Torque Out @ 1750 rpm 1206 in lb
Bolt Center 7 1/16 in x 4 7/8 in
Max. Thrust Load @ RPM 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm
Center Distance 2 3/8 in
Ratio 40:1
Lubrication None
Use With 724
Housing Material Cast Iron
Max. Input HP @ 100 rpm 0.11 hp
Base to Shaft Center Height w/Vert. "J" Base Kit 4.06 in
Output RPM @ Input RPM 44 rpm @ 1750 rpm
Washdown Duty No
Fan Cooled No
Box Width 4 1/16 in
Base to Shaft Center Height w/Low Vert. Base Kit 3.38 in
Bolt Centers w/ Vertical "J" Base Kit (in) 9.19 x 2.88
Output (Shaft or Bore) Size 1 1/8 in
Frame Size Shaft Input, Not a C-Face
Base to Centerline of Input Shaft 4.875 in
Input HP @ RPM 0.7 hp @ 1150 rpm, 1.08 hp @ 1750 rpm
Base to Shaft Center Height w/High Vert. Base Kit 5 1/4 in
Output Torque @ RPM 1160 in lb @ 1150 rpm, 1206 in lb @ 1750 rpm
Box Length 6 3/8 in
Base to Shaft Center Height w/Std. Base Kit 5.19 in
Reduction Type Single Reduction
Box Height 6 15/16 in
Max. Overhung Load @ RPM 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm
Motor Application General Purpose
HP @ RPM 0.75 hp @ 1800 rpm
Input (Shaft or Bore) Size 3/4 in
Torque Out @ 1150 rpm 1160 in lb
Input Configuration Shaft Input
Bolt Centers w/ Vertical Base Kits (in) 8.94 x 4.88
Thermal Input Horsepower @ 1750 RPM N/A
Frame N/A
Shaft Assembly Code J
Weight 29.1 LB
EAN or UPC 781711517284
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