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
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
When dismounting, the locking pins will still firmly engage the shaft thread even after the grub screws have been loosened. Light blows with a rubber hammer to the nut in the vicinity of the grub screws will loosen the pins. The nuts can then easily be
Shaft Assembly Code
G
Output Shaft
Solid
Housing Material
Cast Iron
Output RPM @ 1750 rpm Input
70 rpm
Max. Thrust Load @ 1150 rpm
700 lb/in
Base Mounting Attachment
No Base
Input Motor HP
1
Base
No
Torque Out @ 1750 rpm
875 in lb
Box Width
5 3/16 in
Max. Overhung Load @ RPM
700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Box Height
6 3/8 in
Motor HP
1 hp
Input HP @ RPM
0.72 hp @ 1150 rpm, 1.16 hp @ 1750 rpm
Media Mapping Style
F
Input Power Rating
1.16 hp, 0.865 kW
Max. Thrust Load @ RPM
700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Fan Cooled
No
Center Distance
2.0625 in
Standard
AGMA Service Class I
Output Configuration
Left Output
Series
700
Output Torque
875 lb-in
Washdown Duty
No
Bolt Centers w/ Vertical Base Kits (in)
8 3/8 x 4 7/8
Bolt Center
5 in x 2 7/8 in
Use With
721
Base to Centerline of Output Shaft
2.28 in
Output Speed
70 rpm
Output RPM @ Input RPM
70 rpm @ 1750 rpm
Output Torque Rating Range [Max]
999 lb-in, 109 Nm
Base to Shaft Center Height w/Low Vert. Base Kit
3.13 in
Base to Shaft Center Height w/Vert. "J" Base Kit
3.94 in
Media Mapping Output
G
Output Torque Rating Range [Min]
750 lb-in, 85 Nm
HP @ RPM
1 hp @ 1800 rpm
Ratio
25:1
Frame Size
56C
Base to Centerline of Input Shaft
4 11/32 in
Input Configuration
C-Face Quilled
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
Worm Position
Universal
Center Distance Code
721
Output Bore Shaft Dia.
1 in
Motor Frame Size
B556C
Base to Shaft Center Height w/Std. Base Kit
4.81 in
Bolt Centers w/ Std. Base Kit (in)
6 3/8 x 4 11/16
Style
Right Angle
Lubrication
None
Frame
56C
Max. Overhung Load @ 1750 rpm
700 lb/in
Output Shaft Projection
Solid Left Output
Bore Code
B5
Family Name
F
Input (Shaft or Bore) Size
5/8 in
Rated Efficiency
84%
Box Length
6 in
Max. Input HP @ 100 rpm
0.094 hp
Reduction Type
Single
Torque Out @ 1150 rpm
790 in lb
Bolt Center Length x Bolt Center Width
5 in x 2 7/8 in
Output (Shaft or Bore) Size
1 in
Material
Cast Iron, Standard Paint
Motor Application
General Purpose
Output Torque @ RPM
790 in lb @ 1150 rpm, 875 in lb @ 1750 rpm
Thermal Input Horsepower @ 1750 RPM
N/A
Weight
24.1 LB
EAN or UPC
781711519660
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