Find a Service Center
Boston Gear
F7721-40-B5-G
700 Series 40:1 Ratio G Assembly Single Reduction Worm Gear Reducer Without Base
Item #101835125
- 0.75 Input Motor hp
- 700 Series
- 2.06 in Center Distance
- Single Reduction
description
- 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
- Internal baffles ensure positive, leak-free venting
- 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
- Must be filled to the proper level with the recommended lubricant for your application before operation
| Housing Material | Cast Iron |
| Output Torque | 876 lb-in |
| Motor Frame Size | B556C |
| Input Power Rating | 0.81 hp, 0.604 kW |
| Style | Right Angle |
| Output Speed | 43.8 rpm |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Worm Position | Universal |
| Max. Overhung Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Base | No |
| Max. Input HP @ 100 rpm | 0.074 hp |
| Lubrication | None |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Ratio | 40:1 |
| Media Mapping Output | G |
| Box Width | 5 3/16 in |
| Bolt Center | 5 in x 2 7/8 in |
| Torque Out @ 1150 rpm | 785 in lb |
| Series | 700 |
| Reduction Type | Single |
| Standard | AGMA Service Class I |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Input Motor HP | 0.75 |
| Output Shaft Projection | Solid Left Output |
| Center Distance Code | 721 |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Output Shaft | Solid |
| Material | Cast Iron, Standard Paint |
| Washdown Duty | No |
| Input HP @ RPM | 0.81 hp @ 1750 rpm, 0.49 hp @ 1150 rpm |
| Fan Cooled | No |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Output RPM @ Input RPM | 44 rpm @ 1750 rpm |
| HP @ RPM | 0.5 hp @ 1800 rpm, 0.3333333 hp @ 1200 rpm |
| Output Configuration | Left Output |
| Box Length | 6 in |
| Media Mapping Style | F |
| Input Configuration | C-Face Quilled |
| Torque Out @ 1750 rpm | 876 in lb |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Box Height | 6 3/8 in |
| Base Mounting Attachment | No Base |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Output RPM @ 1750 rpm Input | 44 rpm |
| Bore Code | B5 |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Family Name | F |
| Motor Application | General Purpose |
| Frame Size | 56C |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Frame | 56C |
| Motor HP | 1/2 hp |
| Rated Efficiency | 75% |
| Bolt Pattern | 5 x 2.88 |
| Output Bore Shaft Dia. | 1 in |
| Use With | 721 |
| Shaft Assembly Code | G |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Center Distance | 2.0625 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Output Torque @ RPM | 876 in lb @ 1750 rpm, 785 in lb @ 1150 rpm |
| Base to Centerline of Output Shaft | 2.28 in |
| Output (Shaft or Bore) Size | 1 in |
| Weight | 24.1 LB |
| EAN or UPC | 781711519721 |
