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