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Boston Gear
F721-25-B5-H
700 Series 25:1 Ratio H Assembly Single Reduction Worm Gear Reducer Without Base
Item #101872172
- 1 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
| Box Length | 6 in |
| Output Torque @ RPM | 790 in lb @ 1150 rpm, 875 in lb @ 1750 rpm |
| Box Width | 5 3/16 in |
| Base to Centerline of Output Shaft | 2.28 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Motor Frame Size | B556C |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Motor HP | 1 hp |
| Max. Input HP @ 100 rpm | 0.094 hp |
| HP @ RPM | 1 hp @ 1800 rpm |
| Style | Right Angle |
| Input Motor HP | 1 |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Output Configuration | Left & Right Output |
| Output RPM @ Input RPM | 70 rpm @ 1750 rpm |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Bore Code | B5 |
| Standard | AGMA Service Class I |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Fan Cooled | No |
| Input HP @ RPM | 0.72 hp @ 1150 rpm, 1.16 hp @ 1750 rpm |
| Output Speed | 70 rpm |
| Worm Position | Universal |
| Washdown Duty | No |
| Base | No |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Output Bore Shaft Dia. | 1 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Center Distance Code | 721 |
| Output (Shaft or Bore) Size | 1 in |
| Input Configuration | C-Face Quilled |
| Output Torque | 875 lb-in |
| Motor Application | General Purpose |
| Keyway Size | 3/16 x 3/32 |
| Frame | 56C |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output Shaft | Solid |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Material | Cast Iron, Standard Paint |
| Rated Efficiency | 84% |
| Shaft Assembly Code | H |
| Lubrication | None |
| Output RPM @ 1750 rpm Input | 70 rpm |
| Housing Material | Cast Iron |
| Bolt Center | 5 in x 2 7/8 in |
| Output Shaft Projection | Solid Double Projecting Output |
| Base Mounting Attachment | No Base |
| Use With | 721 |
| Frame Size | 56C |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Torque Out @ 1750 rpm | 875 in lb |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Media Mapping Style | F |
| Ratio | 25:1 |
| Input (Shaft or Bore) Size | 5/8 in |
| Input Power Rating | 1.16 hp, 0.865 kW |
| Family Name | F |
| Series | 700 |
| Media Mapping Output | H |
| Box Height | 6 3/8 in |
| Reduction Type | Single |
| Center Distance | 2.0625 in |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Torque Out @ 1150 rpm | 790 in lb |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Weight | 24.1 LB |
| EAN or UPC | 781711519677 |
