Skip to content Skip to navigation menu
Boston GearHF721-40-B5-H-P14

HF721-40-B5-H-P14

700 Series Bostmount C-Face Quilled Reducer
Item #101794157
  • 2 1/16" Center Distance
  • 40:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
+ Show More + Show Less
Boston GearHF721-40-B5-H-P14
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
  • 40:1 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

  • High loads, high ambient or operating temperatures, and unusually contaminated atmospheres will require more frequent relubrication.
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Output RPM @ 1750 rpm Input 43.75 rpm
Bore Code B5
Base to Centerline of Output Shaft 2 9/32 in
Fan Cooled No
Ratio 40:1
Center Distance 2.0625 in
Max. Overhung Load @ 1750 rpm 700 lb/in
HP @ RPM 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Keyway Size 3/16 x 3/32
Input (Shaft or Bore) Size 5/8 in
Washdown Duty No
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Family Name HF
Box Width 4 45/64 in
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Output Torque @ RPM 785 in lb @ 1150 rpm, 876 in lb @ 1750 rpm
Output (Shaft or Bore) Size 7/8 in
Thermal Input Horsepower @ 1750 RPM N/A
Base to Centerline of Input Shaft 4 11/32 in
Housing Material Cast Iron
Worm Position Universal
Reduction Type Single Reduction
Use With 721
Output RPM @ Input RPM 44 rpm @ 1750 rpm
Motor HP 0.5 hp
Output Configuration Hollow Output
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Box Length 6 in
Max. Thrust Load @ 1150 rpm 700 lb/in
Input Configuration C-Face Quilled
Torque Out @ 1150 rpm 785 in lb
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Torque Out @ 1750 rpm 876 in lb
Box Height 6 3/8 in
Frame 56C
Motor Application General Purpose
Frame Size 56C
Shaft Assembly Code H
Max. Input HP @ 100 rpm 0.074 hp
Input HP @ RPM 0.49 hp @ 1150 rpm, 0.81 hp @ 1750 rpm
Lubrication None
Bolt Center 5 in x 2 7/8 in
Weight 26.1 LB
EAN or UPC 781711630464
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison