Skip to content Skip to navigation menu
Boston GearHF721-15-B5-H-P16

HF721-15-B5-H-P16

700 Series Bostmount C-Face Quilled Reducer
Item #101817837
  • 2 1/16" Center Distance
  • 15:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
+ Show More + Show Less
Boston GearHF721-15-B5-H-P16
Price Unavailable
Price Unavailable
Pricing is unavailable at this time. Please contact Customer Service for assistance.
Online Ordering Restricted
Please contact Customer Service for assistance.
Contact Customer Service
    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

  • Cannot be used in air systems where compressors are lubricated with fire-resistant fluids, such as phosphate ester and di-ester types
Base to Centerline of Input Shaft 4 11/32 in
Box Height 6 3/8 in
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Family Name HF
Keyway Size 3/16 x 3/32
Thermal Input Horsepower @ 1750 RPM N/A
Worm Position Universal
Output Torque @ RPM 752 in lb @ 1150 rpm, 840 in lb @ 1750 rpm
Motor Application General Purpose
Output RPM @ 1750 rpm Input 117 rpm
Box Width 4 45/64 in
Bore Code B5
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
HP @ RPM 1 hp @ 1800 rpm
Housing Material Cast Iron
Use With 721
Input (Shaft or Bore) Size 5/8 in
Output RPM @ Input RPM 117 rpm @ 1750 rpm
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Torque Out @ 1150 rpm 752 in lb
Washdown Duty No
Motor HP 3/4 hp
Max. Overhung Load @ 1750 rpm 700 lb/in
Input Configuration C-Face Quilled
Max. Thrust Load @ 1150 rpm 700 lb/in
Box Length 6 in
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Center Distance 2 1/16 in
Torque Out @ 1750 rpm 840 in lb
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Frame 56C
Bolt Center 5 in x 2 7/8 in
Input HP @ RPM 1.06 hp @ 1150 rpm, 1.72 hp @ 1750 rpm
Output Configuration Hollow Output
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Lubrication None
Ratio 15:1
Frame Size 56C
Fan Cooled No
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Reduction Type Single Reduction
Shaft Assembly Code H
Output (Shaft or Bore) Size 1 in
Max. Input HP @ 100 rpm 0.13 hp
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Base to Centerline of Output Shaft 2 9/32 in
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Weight 26.1 LB
EAN or UPC 781711630273
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison