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
Max. Overhung Load @ RPM
700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Motor Frame Size
B556C
Rated Efficiency
84%
Bolt Center
5 in x 2 7/8 in
Base to Shaft Center Height w/High Vert. Base Kit
4.88 in
Output Torque @ RPM
790 in lb @ 1150 rpm, 875 in lb @ 1750 rpm
Output (Shaft or Bore) Size
1 in
Housing Material
Cast Iron
Bolt Centers w/ Std. Base Kit (in)
6 3/8 x 4 11/16
Max. Thrust Load @ 1150 rpm
700 lb/in
Box Length
6 in
Output Torque
875 lb-in
Base to Centerline of Input Shaft
4 11/32 in
Input Power Rating
1.16 hp, 0.865 kW
Output Torque Rating Range [Max]
999 lb-in, 109 Nm
Frame Size
56C
Base to Shaft Center Height w/Vert. "J" Base Kit
3.94 in
Thermal Input Horsepower @ 1750 RPM
N/A
Max. Thrust Load @ RPM
700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Center Distance Code
721
Input Configuration
C-Face Quilled
Shaft Assembly Code
G
Base Mounting Attachment
No Base
Output RPM @ 1750 rpm Input
70 rpm
Media Mapping Style
F
Base to Centerline of Output Shaft
2.28 in
Material
Cast Iron, Standard Paint
Max. Overhung Load @ 1750 rpm
700 lb/in
Ratio
25:1
Output RPM @ Input RPM
70 rpm @ 1750 rpm
Input HP @ RPM
0.72 hp @ 1150 rpm, 1.16 hp @ 1750 rpm
Standard
AGMA Service Class I
Bore Code
B5
Center Distance
2.0625 in
Family Name
F
Max. Input HP @ 100 rpm
0.094 hp
Torque Out @ 1150 rpm
790 in lb
Box Height
6 3/8 in
Base to Shaft Center Height w/Std. Base Kit
4.81 in
Output Shaft
Solid
Fan Cooled
No
Washdown Duty
No
Bolt Centers w/ Vertical "J" Base Kit (in)
8.63 x 2.63
Torque Out @ 1750 rpm
875 in lb
Use With
721
Lubrication
None
Motor Application
General Purpose
HP @ RPM
1 hp @ 1800 rpm
Frame
56C
Series
700
Output Shaft Projection
Solid Left Output
Bolt Center Length x Bolt Center Width
5 in x 2 7/8 in
Motor HP
1 hp
Output Torque Rating Range [Min]
750 lb-in, 85 Nm
Base to Shaft Center Height w/Low Vert. Base Kit
3.13 in
Base
No
Output Bore Shaft Dia.
1 in
Reduction Type
Single
Media Mapping Output
G
Style
Right Angle
Output Configuration
Left Output
Box Width
5 3/16 in
Input Motor HP
1
Input (Shaft or Bore) Size
5/8 in
Worm Position
Universal
Output Speed
70 rpm
Bolt Centers w/ Vertical Base Kits (in)
8 3/8 x 4 7/8
Weight
24.1 LB
EAN or UPC
781711519660
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