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Boston GearHF738-40E-B9-H-P28

HF738-40E-B9-H-P28

700 Series Bostmount C-Face Quilled Reducer
Item #101795953
  • 3 3/4" Center Distance
  • 40:1 Ratio
  • 180TC or 210C Frame
  • C-Face Quilled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearHF738-40E-B9-H-P28
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    Shipment Options
  • 3 3/4" Center Distance
  • 40:1 Ratio
  • 180TC or 210C Frame
  • C-Face Quilled Input
  • Hollow Output

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

  • High loads, high ambient or operating temperatures, and unusually contaminated atmospheres will require more frequent relubrication.
Base to Shaft Center Height w/High Vert. Base Kit 7 in
Torque Out @ 1750 rpm 3320 in lb
Bolt Centers w/ Std. Base Kit (in) 10 3/8 x 7
Worm Position Universal
Bolt Center 8 1/2 in x 4 3/4 in
Base to Centerline of Input Shaft 7 5/8 in
Output Torque @ RPM 3320 in lb @ 1750 rpm, 3900 in lb @ 1150 rpm
Reduction Type Single Reduction
Ratio 40:1
Base to Shaft Center Height w/Low Vert. Base Kit 5 1/4 in
Box Height 10 7/16 in
Housing Material Cast Iron
Frame 180TC, 210C
Torque Out @ 1150 rpm 3900 in lb
Max. Input HP @ 100 rpm 0.37 hp
Motor Application General Purpose
Input HP @ RPM 2.25 hp @ 1150 rpm, 2.8 hp @ 1750 rpm
Keyway Size 1/4 x 1/8
Bolt Centers w/ Vertical Base Kits (in) 13.94 x 8.00
HP @ RPM 3 hp @ 1800 rpm
Center Distance 3 3/4 in
Lubrication None
Max. Thrust Load @ 1150 rpm 1300 lb/in
Max. Thrust Load @ RPM 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm
Washdown Duty No
Base to Centerline of Output Shaft 3 7/8 in
Box Length 10 in
Input (Shaft or Bore) Size 1 1/8 in
Base to Shaft Center Height w/Std. Base Kit 7 1/2 in
Max. Overhung Load @ RPM 2000 lb/in @ 1150 rpm, 2000 lb/in @ 1750 rpm
Output RPM @ Input RPM 44 rpm @ 1750 rpm
Fan Cooled No
Thermal Input Horsepower @ 1750 RPM N/A
Motor HP 3 hp
Input Configuration C-Face Quilled
Frame Size 180TC, 210C
Output RPM @ 1750 rpm Input 43.75 rpm
Output (Shaft or Bore) Size 1 3/4 in
Bore Code B9
Output Configuration Hollow Output
Max. Overhung Load @ 1750 rpm 2000 lb/in
Family Name HF
Shaft Assembly Code H
Box Width 7 13/32 in
Weight 103.1 LB
EAN or UPC 781711631072
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