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Boston GearHF726-30-B7-H-P20

HF726-30-B7-H-P20

700 Series Bostmount C-Face Quilled Reducer
Item #101795478
  • 2 5/8" Center Distance
  • 20:1 Ratio
  • 140TC or 180C Frame
  • C-Face Quilled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearHF726-30-B7-H-P20
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    Shipment Options
  • 2 5/8" Center Distance
  • 20:1 Ratio
  • 140TC or 180C 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.
Motor Application General Purpose
Family Name HF
Output (Shaft or Bore) Size 1 1/4 in
Box Length 7 3/8 in
Bolt Center 6 3/8 in x 3 3/8 in
Output Configuration Hollow Output
Base to Shaft Center Height w/Std. Base Kit 5.81 in
Output Torque @ RPM 1521 in lb @ 1750 rpm, 1575 in lb @ 1150 rpm
Lubrication None
Center Distance 2.625 in
Max. Overhung Load @ RPM 1000 lb/in @ 1150 rpm, 1000 lb/in @ 1750 rpm
Base to Centerline of Output Shaft 2 7/16 in
Max. Thrust Load @ RPM 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm
Bolt Centers w/ Std. Base Kit (in) 8 x 5 1/4
Output RPM @ 1750 rpm Input 58 rpm
Input Configuration C-Face Quilled
Input (Shaft or Bore) Size 7/8 in
Input HP @ RPM 1.2 hp @ 1150 rpm, 1.68 hp @ 1750 rpm
Fan Cooled No
Motor HP 1.5 hp
Frame 140TC, 180C
Max. Input HP @ 100 rpm 0.2 hp
Max. Overhung Load @ 1750 rpm 1000 lb/in
Max. Thrust Load @ 1150 rpm 900 lb/in
Box Width 5 21/64 in
Box Height 8 in
Housing Material Cast Iron
Base to Shaft Center Height w/Vert. "J" Base Kit 4.75 in
Reduction Type Single Reduction
Base to Shaft Center Height w/Low Vert. Base Kit 3.63 in
Ratio 30:1
Base to Centerline of Input Shaft 5 9/16 in
Use With 726
Thermal Input Horsepower @ 1750 RPM N/A
Torque Out @ 1750 rpm 1521 in lb
Output RPM @ Input RPM 58 rpm @ 1750 rpm
Washdown Duty No
Keyway Size 3/16 x 3/32
Bore Code B7
Bolt Centers w/ Vertical Base Kits (in) 10.13 x 5.75
Base to Shaft Center Height w/High Vert. Base Kit 5.59 in
Shaft Assembly Code H
HP @ RPM 2 hp @ 1800 rpm
Bolt Centers w/ Vertical "J" Base Kit (in) 10.38 x 3.13
Worm Position Universal
Frame Size 140TC, 180C
Torque Out @ 1150 rpm 1575 in lb
Weight 45.1 LB
EAN or UPC 781711630730
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