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