Skip to content Skip to navigation menu
Boston GearHF721-15-B7-H-P20

HF721-15-B7-H-P20

700 Series Bostmount C-Face Quilled Reducer
Item #101842947
  • 2 1/16" Center Distance
  • 20:1 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-P20
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
  • 20:1 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

  • To clean polycarbonate bowls, use mild soap and water only
  • do not use cleansing agents such as acetone, benzene, carbon tetrachloride, gasoline, toluene, etc., which damage this plastic
Worm Position Universal
Torque Out @ 1750 rpm 892 in lb
Ratio 20:1
Output RPM @ 1750 rpm Input 87.5 rpm
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Housing Material Cast Iron
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Box Length 6 in
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Box Width 4 45/64 in
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Input (Shaft or Bore) Size 7/8 in
Input HP @ RPM 0.86 hp @ 1150 rpm, 1.4 hp @ 1750 rpm
Motor HP 1.5 hp
Output Torque @ RPM 782 in lb @ 1150 rpm, 892 in lb @ 1750 rpm
Input Configuration C-Face Quilled
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Max. Thrust Load @ 1150 rpm 700 lb/in
Bolt Center 5 in x 2 7/8 in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Center Distance 2.0625 in
Bore Code B7
Base to Centerline of Output Shaft 2 9/32 in
Reduction Type Single Reduction
Output Configuration Hollow Output
Box Height 6 3/8 in
Family Name HF
Shaft Assembly Code H
Output (Shaft or Bore) Size 1 1/4 in
Frame 140TC, 180C
Use With 721
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Thermal Input Horsepower @ 1750 RPM N/A
Keyway Size 3/16 x 3/32
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Fan Cooled No
HP @ RPM 1 hp @ 1800 rpm
Base to Centerline of Input Shaft 4 11/32 in
Lubrication None
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Washdown Duty No
Max. Input HP @ 100 rpm 0.11 hp
Torque Out @ 1150 rpm 782 in lb
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Motor Application General Purpose
Max. Overhung Load @ 1750 rpm 700 lb/in
Frame Size 140TC, 180C
Weight 26.1 LB
EAN or UPC 781711630310
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison