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Boston GearHF721-60-B5-H-P19

HF721-60-B5-H-P19

700 Series Bostmount C-Face Quilled Reducer
Item #101793661
  • 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-P19
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    Shipment Options
  • 2 1/16" Center Distance
  • 60:1 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

  • 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.
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Washdown Duty No
Base to Centerline of Output Shaft 2 9/32 in
Input Configuration C-Face Quilled
Housing Material Cast Iron
Output Torque @ RPM 730 in lb @ 1150 rpm, 826 in lb @ 1750 rpm
Input (Shaft or Bore) Size 5/8 in
Frame 56C
Frame Size 56C
Input HP @ RPM 0.34 hp @ 1150 rpm, 0.55 hp @ 1750 rpm
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Max. Overhung Load @ 1750 rpm 700 lb/in
Thermal Input Horsepower @ 1750 RPM N/A
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Output RPM @ 1750 rpm Input 29.2 rpm
Output (Shaft or Bore) Size 1 3/16 in
Max. Input HP @ 100 rpm 0.055 hp
Reduction Type Single Reduction
Bolt Center 5 in x 2 7/8 in
Worm Position Universal
Ratio 60:1
Box Length 6 in
Torque Out @ 1150 rpm 730 in lb
Use With 721
Motor Application General Purpose
Max. Thrust Load @ 1150 rpm 700 lb/in
Keyway Size 3/16 x 3/32
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Output RPM @ Input RPM 29 rpm @ 1750 rpm
Box Height 6 3/8 in
Base to Centerline of Input Shaft 4 11/32 in
Shaft Assembly Code H
Output Configuration Hollow Output
Family Name HF
Center Distance 2 1/16 in
Box Width 4 45/64 in
Lubrication None
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Fan Cooled No
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Motor HP 1/2 hp
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Bore Code B5
Torque Out @ 1750 rpm 826 in lb
HP @ RPM 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm
Weight 26.1 LB
EAN or UPC 781711630549
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