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Boston GearHF721-60-B5-H-P23

HF721-60-B5-H-P23

700 Series Bostmount C-Face Quilled Reducer
Item #101794744
  • 2 1/16" Center Distance
  • 60:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearHF721-60-B5-H-P23
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    Shipment Options
  • 2 1/16" Center Distance
  • 60:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Hollow Output

features

  • 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
  • Large oil reservoir provides efficient heat dissipation and lubrication for longer life

caution

  • High loads, high ambient or operating temperatures, and unusually contaminated atmospheres will require more frequent relubrication.
Reduction Type Single Reduction
Fan Cooled No
Base to Centerline of Output Shaft 2.28125 in
Base to Centerline of Input Shaft 4.34375 in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Bore Code B5
Motor Application General Purpose
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Max. Input HP @ 100 rpm 0.055 hp
Frame 56C
Input HP @ RPM 0.34 hp @ 1150 rpm, 0.55 hp @ 1750 rpm
Box Length 6 in
Output Configuration Hollow Output
Max. Thrust Load @ 1150 rpm 700 lb/in
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Thermal Input Horsepower @ 1750 RPM N/A
HP @ RPM 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm
Bolt Center 5 in x 2 7/8 in
Lubrication None
Box Width 4 45/64 in
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Ratio 60:1
Max. Overhung Load @ 1750 rpm 700 lb/in
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Keyway Size 3/16 x 3/32
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Worm Position Universal
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Output RPM @ 1750 rpm Input 29.2 rpm
Housing Material Cast Iron
Output Torque @ RPM 730 in lb @ 1150 rpm, 826 in lb @ 1750 rpm
Torque Out @ 1150 rpm 730 in lb
Center Distance 2 1/16 in
Washdown Duty No
Frame Size 56C
Shaft Assembly Code H
Motor HP 1/2 hp
Use With 721
Family Name HF
Output (Shaft or Bore) Size 1 7/16 in
Input Configuration C-Face Quilled
Torque Out @ 1750 rpm 826 in lb
Box Height 6 3/8 in
Output RPM @ Input RPM 29 rpm @ 1750 rpm
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Input (Shaft or Bore) Size 5/8 in
Weight 26.1 LB
EAN or UPC 781711630563
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