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Boston GearHF721-15-B5-H-P12

HF721-15-B5-H-P12

700 Series Bostmount C-Face Quilled Reducer
Item #101842946
  • 2 1/16" Center Distance
  • 15:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearHF721-15-B5-H-P12
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    Shipment Options
  • 2 1/16" Center Distance
  • 15:1 Ratio
  • 56C 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

  • Metal bowl guards are recommended for all applications
  • To clean polycarbonate bowls, use mild soap and water only
  • do not use cleansing agents such as acetone, benzene, carbon tetrachloride, gasoline, toluene, etc., which damage this plastic
Center Distance 2.0625 in
Motor HP 0.75 hp
Output Configuration Hollow Output
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Bore Code B5
Max. Input HP @ 100 rpm 0.13 hp
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Ratio 15:1
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Lubrication None
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Input HP @ RPM 1.06 hp @ 1150 rpm, 1.72 hp @ 1750 rpm
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Output RPM @ 1750 rpm Input 117 rpm
Frame 56C
Base to Centerline of Input Shaft 4 11/32 in
Input (Shaft or Bore) Size 5/8 in
Washdown Duty No
Housing Material Cast Iron
Torque Out @ 1150 rpm 752 in lb
Output (Shaft or Bore) Size 3/4 in
Frame Size 56C
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Output RPM @ Input RPM 117 rpm @ 1750 rpm
Max. Overhung Load @ 1750 rpm 700 lb/in
Thermal Input Horsepower @ 1750 RPM N/A
Max. Thrust Load @ 1150 rpm 700 lb/in
Motor Application General Purpose
Use With 721
Fan Cooled No
Bolt Center 5 in x 2 7/8 in
Worm Position Universal
Family Name HF
Torque Out @ 1750 rpm 840 in lb
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Shaft Assembly Code H
Reduction Type Single Reduction
Input Configuration C-Face Quilled
Box Height 6 3/8 in
HP @ RPM 1 hp @ 1800 rpm
Output Torque @ RPM 752 in lb @ 1150 rpm, 840 in lb @ 1750 rpm
Base to Centerline of Output Shaft 2 9/32 in
Box Width 4 45/64 in
Keyway Size 3/16 x 3/32
Box Length 6 in
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Weight 26.1 LB
EAN or UPC 781711630259
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