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Boston Gear752-20E-H

752-20E-H

700 Series Standard Reducer
Item #101809105
  • 5 5/32" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Left & Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston Gear752-20E-H
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    Shipment Options
  • 5 5/32" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Left & 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

  • Use of external guides or supports is strongly recommended for overhead mounting.
Max. Thrust Load @ RPM 1900 lb/in @ 1150 rpm, 1900 lb/in @ 1750 rpm
Torque Out @ 1750 rpm 6830 in lb
Reduction Type Single Reduction
Worm Position Universal
Ratio 20:1
Output Configuration Left & Right Output
Base to Centerline of Input Shaft 10 15/32 in
Family Name Std Unit
Box Width 7 3/8 in
Output Torque @ RPM 6830 in lb @ 1750 rpm, 7300 in lb @ 1150 rpm
Output (Shaft or Bore) Size 2 in
Frame N/A
Input (Shaft or Bore) Size 1 1/4 in
HP @ RPM 7.5 hp @ 1800 rpm
Shaft Assembly Code H
Bolt Center Length x Bolt Center Width 14 1/8 in x 8 3/8 in
Base to Shaft Center Height w/Std. Base Kit 6.44 in
Input Configuration Shaft Input
Base to Centerline of Output Shaft 5 5/16 in
Bolt Centers w/ Vertical Base Kits (in) 18.00 x 10.00
Center Distance 5.15625 in
Box Length 13 1/8 in
Fan Cooled No
Box Height 13 3/4 in
Max. Overhung Load @ 1750 rpm 2200 lb/in
Bolt Centers w/ Std. Base Kit (in) 14 1/8 x 8 3/8
Bolt Center 14 1/8" x 8 3/8"
Base to Shaft Center Height w/Low Vert. Base Kit 6.38 in
Torque Out @ 1150 rpm 7300 in lb
Housing Material Cast Iron
Washdown Duty No
Max. Input HP @ 100 rpm 1.18 hp
Base to Shaft Center Height w/High Vert. Base Kit 8.63 in
Frame Size Shaft Input, Not a C-Face
Thermal Input Horsepower @ 1750 RPM N/A
Max. Thrust Load @ 1150 rpm 1900 lb/in
Max. Overhung Load @ RPM 2200 lb/in @ 1150 rpm, 2200 lb/in @ 1750 rpm
Lubrication None
Output RPM @ 1750 rpm Input 87.5 rpm
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Input HP @ RPM 7.57 hp @ 1150 rpm, 10.19 hp @ 1750 rpm
Motor Application General Purpose
Weight 201.1 LB
EAN or UPC 781711518144
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