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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
| Fan Cooled | No |
| Standard | AGMA Service Class I |
| Shaft Assembly Code | H |
| Output Speed | 70 rpm |
| Ratio | 25:1 |
| Torque Out @ 1150 rpm | 790 in lb |
| Keyway Size | 3/16 x 3/32 |
| Base | No |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Housing Material | Cast Iron |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Output Bore Shaft Dia. | 1 in |
| Bolt Center | 5 in x 2 7/8 in |
| Motor Application | General Purpose |
| Worm Position | Universal |
| Base Mounting Attachment | No Base |
| Media Mapping Output | H |
| Center Distance Code | 721 |
| Bore Code | B5 |
| Torque Out @ 1750 rpm | 875 in lb |
| Output RPM @ Input RPM | 70 rpm @ 1750 rpm |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Frame Size | 56C |
| Washdown Duty | No |
| Base to Centerline of Output Shaft | 2.28 in |
| Output Torque | 875 lb-in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Style | Right Angle |
| Lubrication | None |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Motor Frame Size | B556C |
| Series | 700 |
| Input Power Rating | 1.16 hp, 0.865 kW |
| Input Configuration | C-Face Quilled |
| Family Name | F |
| Box Height | 6 3/8 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Output Shaft Projection | Solid Double Projecting Output |
| Output Torque @ RPM | 790 in lb @ 1150 rpm, 875 in lb @ 1750 rpm |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Max. Input HP @ 100 rpm | 0.094 hp |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Use With | 721 |
| Motor HP | 1 hp |
| Frame | 56C |
| Box Width | 5 3/16 in |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Output (Shaft or Bore) Size | 1 in |
| Input HP @ RPM | 0.72 hp @ 1150 rpm, 1.16 hp @ 1750 rpm |
| Output RPM @ 1750 rpm Input | 70 rpm |
| Output Configuration | Left & Right Output |
| Center Distance | 2.0625 in |
| HP @ RPM | 1 hp @ 1800 rpm |
| Media Mapping Style | F |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Box Length | 6 in |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Reduction Type | Single |
| Input Motor HP | 1 |
| Input (Shaft or Bore) Size | 5/8 in |
| Material | Cast Iron, Standard Paint |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Rated Efficiency | 84% |
| Output Shaft | Solid |
| Weight | 24.1 LB |
| EAN or UPC | 781711519677 |
