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Boston Gear
HF7721-15-B5-H-P20
700 Series 15:1 Ratio Hollow Assembly Single Reduction Worm Gear Reducer Without Base
Item #101795383
- 1.50 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
| Bolt Center | 5 in x 2 7/8 in |
| Max. Input HP @ 100 rpm | 0.11 hp |
| Torque Out @ 1750 rpm | 892 in lb |
| Keyway Size | 3/16 x 3/32 |
| Output Configuration | Hollow Output |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Lubrication | None |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Base Mounting Attachment | No Base |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Series | 700 |
| Washdown Duty | No |
| Center Distance Code | 721 |
| Motor Frame Size | B556C |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output Torque | 841 lb-in |
| Ratio | 15:1 |
| Style | Right Angle |
| Worm Position | Universal |
| Reduction Type | Single |
| Torque Out @ 1150 rpm | 782 in lb |
| Frame Size | 56C |
| Family Name | HF |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Input (Shaft or Bore) Size | 5/8 in |
| Material | Cast Iron, Standard Paint |
| Input Configuration | C-Face Quilled |
| Output (Shaft or Bore) Size | 1 1/4 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Media Mapping Hollow Bore | P20 |
| Standard | AGMA Service Class I |
| Shaft Assembly Code | H |
| Motor HP | 0.75 hp |
| Input Power Rating | 1.72 hp, 1.283 kW |
| Box Height | 6 3/8 in |
| Box Length | 6 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Rated Efficiency | 90% |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Input HP @ RPM | 0.86 hp @ 1150 rpm, 1.4 hp @ 1750 rpm |
| Use With | 721 |
| Input Motor HP | 1.50 |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| HP @ RPM | 1 hp @ 1800 rpm |
| Output Shaft Projection | Hollow Output |
| Box Width | 4 45/64 in |
| Media Mapping Style | HF |
| Bore Code | B5 |
| Output Speed | 116.7 rpm |
| Media Mapping Output | H |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| 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 |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Frame | 56C |
| Output Torque @ RPM | 782 in lb @ 1150 rpm, 892 in lb @ 1750 rpm |
| Fan Cooled | No |
| Base to Centerline of Output Shaft | 2 9/32 in |
| Output Shaft | Hollow |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Center Distance | 2.0625 in |
| Output Bore Shaft Dia. | 1.25 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Housing Material | Cast Iron |
| Motor Application | General Purpose |
| Weight | 26.1 LB |
| EAN or UPC | 781711630297 |
