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