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Boston GearHF718-20-B5-H-P12

HF718-20-B5-H-P12

700 Series Bostmount C-Face Quilled Reducer
Item #101794629
  • 1 3/4" Center Distance
  • 20:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearHF718-20-B5-H-P12
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    Shipment Options
  • 1 3/4" Center Distance
  • 20:1 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

  • 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.
Fan Cooled No
Base to Centerline of Input Shaft 3 13/16 in
Base to Shaft Center Height w/Std. Base Kit 4.38 in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.5 in
Base to Shaft Center Height w/High Vert. Base Kit 4.38 in
Frame 56C
Ratio 20:1
Lubrication None
Bolt Center Length x Bolt Center Width 4 3/16 in x 2 3/4 in
Box Width 4 37/64 in
Bore Code B5
Max. Overhung Load @ 1750 rpm 500 lb/in
Output RPM @ 1750 rpm Input 87.5 rpm
Bolt Centers w/ Vertical "J" Base Kit (in) 7.63 x 2.50
Worm Position Universal
Input (Shaft or Bore) Size 5/8 in
Box Height 5 3/4 in
Frame Size 56C
Center Distance 1 3/4 in
Bolt Center 4 3/16 in x 2 3/4 in
Input Configuration C-Face Quilled
Input HP @ RPM 0.58 hp @ 1150 rpm, 0.97 hp @ 1750 rpm
Shaft Assembly Code H
Torque Out @ 1750 rpm 590 in lb
Max. Thrust Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Motor Application General Purpose
Output Torque @ RPM 525 in lb @ 1150 rpm, 590 in lb @ 1750 rpm
Motor HP 3/4 hp
Base to Shaft Center Height w/Low Vert. Base Kit 3 in
Housing Material Cast Iron
Output (Shaft or Bore) Size 3/4 in
Family Name HF
Max. Thrust Load @ 1150 rpm 500 lb/in
Base to Centerline of Output Shaft 2 1/16 in
Reduction Type Single Reduction
Bolt Centers w/ Std. Base Kit (in) 5 3/4 x 4 1/2
Use With 718
HP @ RPM 0.75 hp @ 1800 rpm
Bolt Centers w/ Vertical Base Kits (in) 7.38 x 4.00
Torque Out @ 1150 rpm 525 in lb
Output Configuration Hollow Output
Max. Overhung Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Thermal Input Horsepower @ 1750 RPM N/A
Washdown Duty No
Max. Input HP @ 100 rpm 0.08 hp
Keyway Size 3/16 x 3/32
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Box Length 5 1/2 in
Weight 20.1 LB
EAN or UPC 781711630174
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