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