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Boston GearHF721-15-B7-H-P23

HF721-15-B7-H-P23

700 Series Bostmount C-Face Quilled Reducer
Item #101793660
  • 2 1/16" Center Distance
  • 15:1 Ratio
  • 140TC or 180C Frame
  • C-Face Quilled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearHF721-15-B7-H-P23
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    Shipment Options
  • 2 1/16" Center Distance
  • 15:1 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.
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Max. Input HP @ 100 rpm 0.13 hp
Torque Out @ 1750 rpm 840 in lb
Frame Size 140TC, 180C
Box Height 6 3/8 in
Input HP @ RPM 1.06 hp @ 1150 rpm, 1.72 hp @ 1750 rpm
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Center Distance 2 1/16 in
Max. Overhung Load @ 1750 rpm 700 lb/in
Base to Centerline of Output Shaft 2 9/32 in
Frame 140TC, 180C
Output RPM @ Input RPM 117 rpm @ 1750 rpm
Box Width 4 45/64 in
Keyway Size 3/16 x 3/32
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Base to Centerline of Input Shaft 4 11/32 in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Output RPM @ 1750 rpm Input 117 rpm
Torque Out @ 1150 rpm 752 in lb
Housing Material Cast Iron
Input (Shaft or Bore) Size 7/8 in
Washdown Duty No
Bolt Center 5 in x 2 7/8 in
Motor Application General Purpose
Motor HP 1 1/2 hp
Box Length 6 in
Output Torque @ RPM 752 in lb @ 1150 rpm, 840 in lb @ 1750 rpm
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Ratio 15:1
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Output (Shaft or Bore) Size 1 7/16 in
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Shaft Assembly Code H
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Output Configuration Hollow Output
Max. Thrust Load @ 1150 rpm 700 lb/in
Thermal Input Horsepower @ 1750 RPM N/A
HP @ RPM 1 hp @ 1800 rpm
Input Configuration C-Face Quilled
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Worm Position Universal
Bore Code B7
Lubrication None
Family Name HF
Reduction Type Single Reduction
Fan Cooled No
Use With 721
Weight 26.1 LB
EAN or UPC 781711630327
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