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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
| Material | Cast Iron, Standard Paint |
| Output Speed | 43.8 rpm |
| Center Distance | 2.0625 in |
| Input HP @ RPM | 0.49 hp @ 1150 rpm, 0.81 hp @ 1750 rpm |
| Frame Size | 56C |
| Max. Input HP @ 100 rpm | 0.074 hp |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Family Name | F |
| Media Mapping Style | F |
| Output RPM @ 1750 rpm Input | 43.75 rpm |
| Output Torque | 876 lb-in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Bore Code | B5 |
| Style | Right Angle |
| Shaft Assembly Code | H |
| Base Mounting Attachment | No Base |
| Box Width | 5 3/16 in |
| Input Motor HP | 0.75 |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Media Mapping Output | H |
| Base to Centerline of Output Shaft | 2.28 in |
| Washdown Duty | No |
| Input Power Rating | 0.81 hp, 0.604 kW |
| Motor Application | General Purpose |
| Worm Position | Universal |
| Input Configuration | C-Face Quilled |
| Motor HP | 1/2 hp |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Output Configuration | Left & Right Output |
| Use With | 721 |
| Housing Material | Cast Iron |
| Base | No |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output (Shaft or Bore) Size | 1 in |
| Ratio | 40:1 |
| Box Length | 6 in |
| Output Torque @ RPM | 785 in lb @ 1150 rpm, 876 in lb @ 1750 rpm |
| Output Bore Shaft Dia. | 1 in |
| Bolt Center | 5 in x 2 7/8 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Motor Frame Size | B556C |
| Keyway Size | 3/16 x 3/32 |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Output RPM @ Input RPM | 44 rpm @ 1750 rpm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output Shaft | Solid |
| Reduction Type | Single |
| Lubrication | None |
| Torque Out @ 1150 rpm | 785 in lb |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Series | 700 |
| Box Height | 6 3/8 in |
| Center Distance Code | 721 |
| Torque Out @ 1750 rpm | 876 in lb |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Standard | AGMA Service Class I |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Output Shaft Projection | Solid Double Projecting Output |
| Fan Cooled | No |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Rated Efficiency | 75% |
| Frame | 56C |
| Weight | 24.1 LB |
| EAN or UPC | 781711519738 |
