Skip to content Skip to navigation menu
Boston GearHF721-15-B5-H-P23

HF721-15-B5-H-P23

700 Series Bostmount C-Face Quilled Reducer
Item #101794610
  • 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-P23
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

  • 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
  • Housing is straddle milled top and bottom for precise alignment
  • Large oil reservoir provides efficient heat dissipation and lubrication for longer life

caution

  • Mount in the horizontal position only.
  • High loads, high ambient or operating temperatures, and unusually contaminated atmospheres will require more frequent relubrication.
Use With 721
Output Configuration Hollow Output
Shaft Assembly Code H
Reduction Type Single Reduction
Center Distance 2 1/16 in
Bore Code B5
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Frame 56C
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Input HP @ RPM 1.06 hp @ 1150 rpm, 1.72 hp @ 1750 rpm
Torque Out @ 1150 rpm 752 in lb
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Motor HP 3/4 hp
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Output (Shaft or Bore) Size 1 7/16 in
Output RPM @ 1750 rpm Input 117 rpm
Base to Centerline of Input Shaft 4 11/32 in
Family Name HF
Output Torque @ RPM 752 in lb @ 1150 rpm, 840 in lb @ 1750 rpm
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Thermal Input Horsepower @ 1750 RPM N/A
Max. Thrust Load @ 1150 rpm 700 lb/in
Output RPM @ Input RPM 117 rpm @ 1750 rpm
Torque Out @ 1750 rpm 840 in lb
Worm Position Universal
Base to Centerline of Output Shaft 2 9/32 in
Housing Material Cast Iron
Lubrication None
Keyway Size 3/16 x 3/32
Frame Size 56C
Box Width 4 45/64 in
Bolt Center 5 in x 2 7/8 in
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Motor Application General Purpose
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Ratio 15:1
Box Height 6 3/8 in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Washdown Duty No
Input (Shaft or Bore) Size 5/8 in
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Fan Cooled No
HP @ RPM 1 hp @ 1800 rpm
Max. Input HP @ 100 rpm 0.13 hp
Input Configuration C-Face Quilled
Max. Overhung Load @ 1750 rpm 700 lb/in
Box Length 6 in
Weight 26.1 LB
EAN or UPC 781711630303
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison