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Boston GearHF721-60-B5-H-P16

HF721-60-B5-H-P16

700 Series Bostmount C-Face Quilled Reducer
Item #101794158
  • 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-P16
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    Shipment Options
  • 2 1/16" Center Distance
  • 60:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Hollow Output

features

  • 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
  • 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

caution

  • Drives used in a vertical mounting application may require additional pipe plugs and/or grease fittings for proper lubrication and are considered special.
  • High loads, high ambient or operating temperatures, and unusually contaminated atmospheres will require more frequent relubrication.
Output Configuration Hollow Output
Bore Code B5
Fan Cooled No
Housing Material Cast Iron
Keyway Size 3/16 x 3/32
Base to Centerline of Input Shaft 4 11/32 in
Reduction Type Single Reduction
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Output Torque @ RPM 730 in lb @ 1150 rpm, 826 in lb @ 1750 rpm
Frame 56C
Frame Size 56C
Lubrication None
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Worm Position Universal
Max. Input HP @ 100 rpm 0.055 hp
Input Configuration C-Face Quilled
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Max. Thrust Load @ 1150 rpm 700 lb/in
Washdown Duty No
Base to Centerline of Output Shaft 2 9/32 in
Shaft Assembly Code H
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Box Height 6 3/8 in
Torque Out @ 1750 rpm 826 in lb
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Motor HP 1/2 hp
Torque Out @ 1150 rpm 730 in lb
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Use With 721
Input (Shaft or Bore) Size 5/8 in
Input HP @ RPM 0.34 hp @ 1150 rpm, 0.55 hp @ 1750 rpm
Ratio 60:1
Motor Application General Purpose
Thermal Input Horsepower @ 1750 RPM N/A
Output RPM @ 1750 rpm Input 29.2 rpm
Family Name HF
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Max. Overhung Load @ 1750 rpm 700 lb/in
Output RPM @ Input RPM 29 rpm @ 1750 rpm
Box Width 4 45/64 in
Bolt Center 5 in x 2 7/8 in
HP @ RPM 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm
Center Distance 2 1/16 in
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Box Length 6 in
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Output (Shaft or Bore) Size 1 in
Weight 26.1 LB
EAN or UPC 781711630532
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