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
| Input Configuration | C-Face Quilled |
| Max. Thrust Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Fan Cooled | No |
| Box Length | 6 in |
| Center Distance Code | 721 |
| Max. Overhung Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Output RPM @ 1750 rpm Input | 44 rpm |
| Frame | 56C |
| Use With | 721 |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Output Shaft | Solid |
| Series | 700 |
| Torque Out @ 1150 rpm | 785 in lb |
| Media Mapping Output | G |
| Bolt Center | 5 in x 2 7/8 in |
| Motor Application | General Purpose |
| Frame Size | 56C |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Input (Shaft or Bore) Size | 5/8 in |
| Washdown Duty | No |
| Output Shaft Projection | Solid Left Output |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Output Torque | 876 lb-in |
| Input Power Rating | 0.81 hp, 0.604 kW |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Output Speed | 43.8 rpm |
| Output Configuration | Left Output |
| Motor Frame Size | B556C |
| Output Bore Shaft Dia. | 1 in |
| Style | Right Angle |
| HP @ RPM | 0.5 hp @ 1800 rpm, 0.3333333 hp @ 1200 rpm |
| Reduction Type | Single |
| Worm Position | Universal |
| Lubrication | None |
| Standard | AGMA Service Class I |
| Torque Out @ 1750 rpm | 876 in lb |
| Output RPM @ Input RPM | 44 rpm @ 1750 rpm |
| Base to Centerline of Output Shaft | 2.28 in |
| Rated Efficiency | 75% |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Input HP @ RPM | 0.81 hp @ 1750 rpm, 0.49 hp @ 1150 rpm |
| Media Mapping Style | F |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Housing Material | Cast Iron |
| Center Distance | 2.0625 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Shaft Assembly Code | G |
| Bore Code | B5 |
| Base Mounting Attachment | No Base |
| Base | No |
| Box Height | 6 3/8 in |
| Output (Shaft or Bore) Size | 1 in |
| Bolt Pattern | 5 x 2.88 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Motor HP | 1/2 hp |
| Output Torque @ RPM | 876 in lb @ 1750 rpm, 785 in lb @ 1150 rpm |
| Input Motor HP | 0.75 |
| Max. Input HP @ 100 rpm | 0.074 hp |
| Ratio | 40:1 |
| Family Name | F |
| Box Width | 5 3/16 in |
| Material | Cast Iron, Standard Paint |
| Weight | 24.1 LB |
| EAN or UPC | 781711519721 |
