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