Skip to content Skip to navigation menu
Boston GearHF721-15-B7-H-P23

HF721-15-B7-H-P23

700 Series Bostmount C-Face Quilled Reducer
Item #101793660
  • 2 1/16" Center Distance
  • 15:1 Ratio
  • 140TC or 180C Frame
  • C-Face Quilled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
+ Show More + Show Less
Boston GearHF721-15-B7-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
  • 140TC or 180C 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

  • High loads, high ambient or operating temperatures, and unusually contaminated atmospheres will require more frequent relubrication.
Motor HP 1 1/2 hp
Output Configuration Hollow Output
Washdown Duty No
Worm Position Universal
Output (Shaft or Bore) Size 1 7/16 in
Output RPM @ Input RPM 117 rpm @ 1750 rpm
Use With 721
Base to Centerline of Input Shaft 4 11/32 in
Torque Out @ 1750 rpm 840 in lb
Bore Code B7
Box Length 6 in
Ratio 15:1
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Motor Application General Purpose
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Center Distance 2 1/16 in
Housing Material Cast Iron
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Input HP @ RPM 1.06 hp @ 1150 rpm, 1.72 hp @ 1750 rpm
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Shaft Assembly Code H
Box Width 4 45/64 in
Frame Size 140TC, 180C
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Output RPM @ 1750 rpm Input 117 rpm
Fan Cooled No
Box Height 6 3/8 in
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
Family Name HF
Torque Out @ 1150 rpm 752 in lb
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Reduction Type Single Reduction
Max. Overhung Load @ 1750 rpm 700 lb/in
HP @ RPM 1 hp @ 1800 rpm
Input (Shaft or Bore) Size 7/8 in
Thermal Input Horsepower @ 1750 RPM N/A
Input Configuration C-Face Quilled
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Max. Thrust Load @ 1150 rpm 700 lb/in
Bolt Center 5 in x 2 7/8 in
Lubrication None
Frame 140TC, 180C
Max. Input HP @ 100 rpm 0.13 hp
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Keyway Size 3/16 x 3/32
Base to Centerline of Output Shaft 2 9/32 in
Weight 26.1 LB
EAN or UPC 781711630327
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison