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Boston GearHF7718-20-B5-H-P16

HF7718-20-B5-H-P16

700 Series 20:1 Ratio Hollow Assembly Single Reduction Worm Gear Reducer Without Base
Item #101817836
  • 1 Input Motor hp
  • 700 Series
  • 1.75 in Center Distance
  • Single Reduction
Boston GearHF7718-20-B5-H-P16
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    Shipment Options
  • 1 Input Motor hp
  • 700 Series
  • 1.75 in Center Distance
  • Single Reduction

description

  • Our standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving many industries reliably for over 40 years. Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market.

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

  • Polycarbonate bowls should not be exposed to chlorinated hydro-carbons, ketones, esters and certain alcohols
  • Cannot be used in air systems where compressors are lubricated with fire-resistant fluids, such as phosphate ester and di-ester types
Housing Material Cast Iron
Lubrication None
Input Power Rating 0.97 hp, 0.723 kW
Media Mapping Hollow Bore P16
Max. Overhung Load @ 1750 rpm 500 lb/in
Max. Overhung Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Motor Frame Size B556C
Thermal Input Horsepower @ 1750 RPM N/A
Input Configuration C-Face Quilled
Center Distance Code 718
Torque Out @ 1750 rpm 590 in lb
Bolt Centers w/ Std. Base Kit (in) 5 3/4 x 4 1/2
Base to Centerline of Output Shaft 2 1/16 in
Bore Code B5
Output Torque @ RPM 525 in lb @ 1150 rpm, 590 in lb @ 1750 rpm
Motor Application General Purpose
Output Torque Rating Range [Max] 749 lb-in, 84 Nm
Output Bore Shaft Dia. 1 in
Media Mapping Style HF
Motor HP 3/4 hp
Standard AGMA Service Class I
HP @ RPM 0.75 hp @ 1800 rpm
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Output Torque 590 lb-in
Max. Input HP @ 100 rpm 0.08 hp
Output Shaft Projection Hollow Output
Media Mapping Output H
Bolt Center Length x Bolt Center Width 4 3/16 in x 2 3/4 in
Bolt Center 4 3/16 in x 2 3/4 in
Rated Efficiency 84%
Base to Centerline of Input Shaft 3 13/16 in
Family Name HF
Input HP @ RPM 0.58 hp @ 1150 rpm, 0.97 hp @ 1750 rpm
Style Right Angle
Base to Shaft Center Height w/Std. Base Kit 4.38 in
Max. Thrust Load @ 1150 rpm 500 lb/in
Worm Position Universal
Use With 718
Series 700
Keyway Size 3/16 x 3/32
Base to Shaft Center Height w/Low Vert. Base Kit 3 in
Fan Cooled No
Max. Thrust Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Center Distance 1.75 in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.5 in
Material Cast Iron, Standard Paint
Torque Out @ 1150 rpm 525 in lb
Box Height 5 3/4 in
Output Torque Rating Range [Min] 500 lb-in, 60 Nm
Bolt Centers w/ Vertical "J" Base Kit (in) 7.63 x 2.50
Base Mounting Attachment No Base
Box Width 4 37/64 in
Output (Shaft or Bore) Size 1 in
Output RPM @ 1750 rpm Input 87.5 rpm
Output Shaft Hollow
Input (Shaft or Bore) Size 5/8 in
Washdown Duty No
Ratio 20:1
Frame Size 56C
Input Motor HP 1
Frame 56C
Bolt Centers w/ Vertical Base Kits (in) 7.38 x 4.00
Reduction Type Single
Output Configuration Hollow Output
Output Speed 87.5 rpm
Base to Shaft Center Height w/High Vert. Base Kit 4.38 in
Box Length 5 1/2 in
Shaft Assembly Code H
Weight 20.1 LB
EAN or UPC 781711630181
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