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Boston Gear
F721-40-B5-H
700 Series 40:1 Ratio H Assembly Single Reduction Worm Gear Reducer Without Base
Item #101807805
- 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
caution
- Must be filled to the proper level with the recommended lubricant for your application before operation
| Rated Efficiency | 75% |
| Bolt Center | 5 in x 2 7/8 in |
| Center Distance Code | 721 |
| Series | 700 |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Bore Code | B5 |
| Output Bore Shaft Dia. | 1 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Reduction Type | Single |
| Housing Material | Cast Iron |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Torque Out @ 1750 rpm | 876 in lb |
| Output Torque @ RPM | 785 in lb @ 1150 rpm, 876 in lb @ 1750 rpm |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Input Motor HP | 0.75 |
| Lubrication | None |
| Motor HP | 1/2 hp |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Motor Frame Size | B556C |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Input Power Rating | 0.81 hp, 0.604 kW |
| Ratio | 40:1 |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Output RPM @ Input RPM | 44 rpm @ 1750 rpm |
| Output Shaft | Solid |
| Use With | 721 |
| Media Mapping Style | F |
| Input Configuration | C-Face Quilled |
| Center Distance | 2.0625 in |
| Box Width | 5 3/16 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Max. Input HP @ 100 rpm | 0.074 hp |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Family Name | F |
| Output Speed | 43.8 rpm |
| Base to Centerline of Output Shaft | 2.28 in |
| Material | Cast Iron, Standard Paint |
| Torque Out @ 1150 rpm | 785 in lb |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Motor Application | General Purpose |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Worm Position | Universal |
| Box Height | 6 3/8 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Box Length | 6 in |
| Output (Shaft or Bore) Size | 1 in |
| Output RPM @ 1750 rpm Input | 43.75 rpm |
| Base | No |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Frame | 56C |
| Standard | AGMA Service Class I |
| Input HP @ RPM | 0.49 hp @ 1150 rpm, 0.81 hp @ 1750 rpm |
| Base Mounting Attachment | No Base |
| Output Configuration | Left & Right Output |
| Style | Right Angle |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output Shaft Projection | Solid Double Projecting Output |
| Fan Cooled | No |
| Washdown Duty | No |
| Frame Size | 56C |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Media Mapping Output | H |
| Keyway Size | 3/16 x 3/32 |
| Output Torque | 876 lb-in |
| Shaft Assembly Code | H |
| Weight | 24.1 LB |
| EAN or UPC | 781711519738 |
