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
Drives used in a vertical mounting application may require additional pipe plugs and/or grease fittings for proper lubrication and are considered special.
High loads, high ambient or operating temperatures, and unusually contaminated atmospheres will require more frequent relubrication.
Base to Centerline of Input Shaft
4 11/32 in
Ratio
60:1
Bolt Centers w/ Std. Base Kit (in)
6 3/8 x 4 11/16
Media Mapping Output
H
Fan Cooled
No
Housing Material
Cast Iron
Max. Overhung Load @ 1750 rpm
700 lb/in
Base to Centerline of Output Shaft
2 9/32 in
Base to Shaft Center Height w/High Vert. Base Kit
4.88 in
Output Torque Rating Range [Max]
999 lb-in, 109 Nm
Torque Out @ 1750 rpm
826 in lb
Input Motor HP
0.50
Max. Thrust Load @ RPM
700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Motor Frame Size
B556C
Input Power Rating
0.55 hp, 0.41 kW
Worm Position
Universal
Output Torque
826 lb-in
Output (Shaft or Bore) Size
1 in
Lubrication
None
Bolt Center Length x Bolt Center Width
5 in x 2 7/8 in
Frame Size
56C
Max. Overhung Load @ RPM
700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Shaft Assembly Code
H
Washdown Duty
No
Bolt Center
5 in x 2 7/8 in
Motor Application
General Purpose
Max. Thrust Load @ 1150 rpm
700 lb/in
HP @ RPM
0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm
Keyway Size
3/16 x 3/32
Box Length
6 in
Box Height
6 3/8 in
Media Mapping Hollow Bore
P16
Rated Efficiency
69%
Input (Shaft or Bore) Size
5/8 in
Output Torque @ RPM
730 in lb @ 1150 rpm, 826 in lb @ 1750 rpm
Family Name
HF
Output Shaft Projection
Hollow Output
Output Configuration
Hollow Output
Material
Cast Iron, Standard Paint
Max. Input HP @ 100 rpm
0.055 hp
Torque Out @ 1150 rpm
730 in lb
Base Mounting Attachment
No Base
Base to Shaft Center Height w/Std. Base Kit
4.81 in
Motor HP
1/2 hp
Frame
56C
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
Standard
AGMA Service Class I
Output Torque Rating Range [Min]
750 lb-in, 85 Nm
Thermal Input Horsepower @ 1750 RPM
N/A
Bore Code
B5
Input HP @ RPM
0.34 hp @ 1150 rpm, 0.55 hp @ 1750 rpm
Media Mapping Style
HF
Output Shaft
Hollow
Style
Right Angle
Use With
721
Series
700
Base to Shaft Center Height w/Low Vert. Base Kit
3.13 in
Input Configuration
C-Face Quilled
Center Distance
2.0625 in
Output RPM @ Input RPM
29 rpm @ 1750 rpm
Box Width
4 45/64 in
Bolt Centers w/ Vertical Base Kits (in)
8 3/8 x 4 7/8
Output Speed
29.2 rpm
Output Bore Shaft Dia.
1 in
Output RPM @ 1750 rpm Input
29.2 rpm
Reduction Type
Single
Center Distance Code
721
Weight
26.1 LB
EAN or UPC
781711630532
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