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