Boston Gear

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

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Product Details

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

Specifications

Frame Size	56C
Motor HP	3/4 hp
Standard	AGMA Service Class I
Torque Out @ 1750 rpm	590 in lb
Box Width	4 37/64 in
Box Height	5 3/4 in
Style	Right Angle
Motor Application	General Purpose
Max. Thrust Load @ 1150 rpm	500 lb/in
Media Mapping Style	HF
Media Mapping Output	H
Output RPM @ 1750 rpm Input	87.5 rpm
Input Configuration	C-Face Quilled
Max. Overhung Load @ RPM	500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Use With	718
Base to Centerline of Output Shaft	2 1/16 in
Input Power Rating	0.97 hp, 0.723 kW
Output Torque Rating Range [Max]	749 lb-in, 84 Nm
Bolt Centers w/ Vertical "J" Base Kit (in)	7.63 x 2.50
Media Mapping Hollow Bore	P16
Family Name	HF
Bolt Centers w/ Vertical Base Kits (in)	7.38 x 4.00
Material	Cast Iron, Standard Paint
Fan Cooled	No
Worm Position	Universal
Housing Material	Cast Iron
Output Torque @ RPM	525 in lb @ 1150 rpm, 590 in lb @ 1750 rpm
Output Speed	87.5 rpm
Keyway Size	3/16 x 3/32
Output RPM @ Input RPM	88 rpm @ 1750 rpm
Box Length	5 1/2 in
Base to Shaft Center Height w/Low Vert. Base Kit	3 in
Bolt Centers w/ Std. Base Kit (in)	5 3/4 x 4 1/2
Output Shaft Projection	Hollow Output
Thermal Input Horsepower @ 1750 RPM	N/A
Series	700
Rated Efficiency	84%
Bore Code	B5
Output Shaft	Hollow
Ratio	20:1
Base to Centerline of Input Shaft	3 13/16 in
Motor Frame Size	B556C
Center Distance Code	718
Reduction Type	Single
Output (Shaft or Bore) Size	1 in
Input (Shaft or Bore) Size	5/8 in
Input HP @ RPM	0.58 hp @ 1150 rpm, 0.97 hp @ 1750 rpm
Bolt Center Length x Bolt Center Width	4 3/16 in x 2 3/4 in
Base to Shaft Center Height w/Std. Base Kit	4.38 in
Torque Out @ 1150 rpm	525 in lb
Center Distance	1.75 in
Bolt Center	4 3/16 in x 2 3/4 in
Lubrication	None
Base to Shaft Center Height w/High Vert. Base Kit	4.38 in
HP @ RPM	0.75 hp @ 1800 rpm
Input Motor HP	1
Output Torque Rating Range [Min]	500 lb-in, 60 Nm
Shaft Assembly Code	H
Base to Shaft Center Height w/Vert. "J" Base Kit	3.5 in
Frame	56C
Output Configuration	Hollow Output
Washdown Duty	No
Max. Thrust Load @ RPM	500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Max. Overhung Load @ 1750 rpm	500 lb/in
Output Torque	590 lb-in
Base Mounting Attachment	No Base
Output Bore Shaft Dia.	1 in
Max. Input HP @ 100 rpm	0.08 hp
Weight	20.1 LB
EAN or UPC	781711630181