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

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