Skip to content Skip to navigation menu
Boston GearHF721-30-B5-H-P16

HF721-30-B5-H-P16

700 Series Bostmount C-Face Quilled Reducer
Item #101795947
  • 2 1/16" Center Distance
  • 30:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
+ Show More + Show Less
Boston GearHF721-30-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
  • 30:1 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

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Base to Centerline of Input Shaft 4 11/32 in
Frame Size 56C
Lubrication None
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
HP @ RPM 0.75 hp @ 1800 rpm
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Box Length 6 in
Torque Out @ 1150 rpm 795 in lb
Box Width 4 45/64 in
Family Name HF
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Center Distance 2 1/16 in
Input HP @ RPM 0.62 hp @ 1150 rpm, 0.99 hp @ 1750 rpm
Housing Material Cast Iron
Washdown Duty No
Max. Thrust Load @ 1150 rpm 700 lb/in
Keyway Size 3/16 x 3/32
Input (Shaft or Bore) Size 5/8 in
Box Height 6 3/8 in
Shaft Assembly Code H
Input Configuration C-Face Quilled
Output RPM @ 1750 rpm Input 58.33 rpm
Reduction Type Single Reduction
Output (Shaft or Bore) Size 1 in
Motor Application General Purpose
Bore Code B5
Bolt Center 5 in x 2 7/8 in
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Worm Position Universal
Use With 721
Motor HP 3/4 hp
Frame 56C
Torque Out @ 1750 rpm 871 in lb
Output RPM @ Input RPM 58 rpm @ 1750 rpm
Base to Centerline of Output Shaft 2 9/32 in
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Output Torque @ RPM 795 in lb @ 1150 rpm, 871 in lb @ 1750 rpm
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Thermal Input Horsepower @ 1750 RPM N/A
Ratio 30:1
Max. Input HP @ 100 rpm 0.086 hp
Fan Cooled No
Output Configuration Hollow Output
Max. Overhung Load @ 1750 rpm 700 lb/in
Weight 26.1 LB
EAN or UPC 781711630419
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison