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
Rugged housing fabricated of fine-grained cast iron for maximum strength and greater precision during worm and gear alignment
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
Motors misapplied in hazardous environments can cause a fire or explosion, resulting in destruction of property, serious injury or death
Only the end user or a qualified underwriter is to identify and select the proper class, group, division and temperature code motor to meet the requirements of each installation
Service center personnel can advise what listings and approvals motors carry, but cannot evaluate nor recommend what motors may be suitable for use in hazardous environments
Motor HP
1/4 hp
HP @ RPM
0.125 hp @ 1200 rpm, 0.1666667 hp @ 1800 rpm
Series
700
Output RPM @ 1750 rpm Input
87.5 rpm
Input Motor HP
0.25
Washdown Duty
No
Output (Shaft or Bore) Size
1/2 in
Input Power Rating
0.27 hp, 0.201 kW
Frame Size
56C
Output Torque @ RPM
129 in lb @ 1150 rpm, 149 in lb @ 1750 rpm
Output Torque Rating Range [Min]
100 lb-in, 10 Nm
Shaft Assembly Code
H
Max. Overhung Load @ RPM
150 lb/in @ 1150 rpm, 150 lb/in @ 1750 rpm
Max. Thrust Load @ RPM
200 lb/in @ 1150 rpm, 200 lb/in @ 1750 rpm
Fan Cooled
No
Material
Cast Iron, Standard Paint
Rated Efficiency
77%
Ratio
20:1
Center Distance
1 in
Bolt Center Length x Bolt Center Width
2 5/8 in x 1 11/16 in
Family Name
F
Reduction Type
Single
Motor Frame Size
B556C
Use With
710
Bolt Centers w/ Std. Base Kit (in)
3 3/4 x 2 7/8
Output Bore Shaft Dia.
0.5 in
Worm Position
Universal
Input (Shaft or Bore) Size
5/8 in
Style
Right Angle
Bolt Centers w/ Vertical Base Kits (in)
5.13 x 2.31
Base to Shaft Center Height w/High Vert. Base Kit
2.94 in
Base to Shaft Center Height w/Std. Base Kit
2 3/4 in
Lubrication
None
Motor Application
General Purpose
Box Width
3 11/32 in
Center Distance Code
710
Keyway Size
3/16 x 3/32
Output RPM @ Input RPM
88 rpm @ 1750 rpm
Output Torque
149 lb-in
Media Mapping Style
F
Media Mapping Output
H
Base Mounting Attachment
No Base
Standard
AGMA Service Class I
Housing Material
Cast Iron
Base to Centerline of Output Shaft
1.31 in
Torque Out @ 1750 rpm
149 in lb
Torque Out @ 1150 rpm
129 in lb
Box Height
3 5/8 in
Max. Input HP @ 100 rpm
0.017 hp
Base to Centerline of Input Shaft
2 5/16 in
Output Torque Rating Range [Max]
299 lb-in, 34 Nm
Bore Code
B5
Output Speed
87.5 rpm
Input HP @ RPM
0.14 hp @ 1150 rpm, 0.27 hp @ 1750 rpm
Base
No
Thermal Input Horsepower @ 1750 RPM
N/A
Output Shaft
Solid
Output Configuration
Left & Right Output
Bolt Center
2 5/8" x 1 11/16"
Max. Thrust Load @ 1150 rpm
200 lb/in
Box Length
4 1/4 in
Frame
56C
Input Configuration
C-Face Quilled
Max. Overhung Load @ 1750 rpm
150 lb/in
Output Shaft Projection
Solid Double Projecting Output
Weight
10.1 LB
EAN or UPC
781711598375
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