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