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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
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Output (Shaft or Bore) Size | 1 1/4 in |
| Worm Position | Universal |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Family Name | HF |
| Bore Code | B5 |
| Center Distance | 2.0625 in |
| Base to Centerline of Output Shaft | 2 9/32 in |
| Media Mapping Output | H |
| HP @ RPM | 1 hp @ 1800 rpm |
| Box Height | 6 3/8 in |
| Bolt Center | 5 in x 2 7/8 in |
| Washdown Duty | No |
| Center Distance Code | 721 |
| Keyway Size | 3/16 x 3/32 |
| Output Shaft Projection | Hollow Output |
| Housing Material | Cast Iron |
| Lubrication | None |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Input Power Rating | 1.72 hp, 1.283 kW |
| Output Torque @ RPM | 782 in lb @ 1150 rpm, 892 in lb @ 1750 rpm |
| Media Mapping Hollow Bore | P20 |
| Reduction Type | Single |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Output Configuration | Hollow Output |
| Motor HP | 0.75 hp |
| Media Mapping Style | HF |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Max. Input HP @ 100 rpm | 0.11 hp |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Base Mounting Attachment | No Base |
| Frame | 56C |
| Input HP @ RPM | 0.86 hp @ 1150 rpm, 1.4 hp @ 1750 rpm |
| Output Torque | 841 lb-in |
| Output Speed | 116.7 rpm |
| Motor Frame Size | B556C |
| Input Configuration | C-Face Quilled |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Box Width | 4 45/64 in |
| Fan Cooled | No |
| Torque Out @ 1150 rpm | 782 in lb |
| Ratio | 15:1 |
| Output Shaft | Hollow |
| Torque Out @ 1750 rpm | 892 in lb |
| Use With | 721 |
| Series | 700 |
| Input Motor HP | 1.50 |
| Output Bore Shaft Dia. | 1.25 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Shaft Assembly Code | H |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Box Length | 6 in |
| Rated Efficiency | 90% |
| Standard | AGMA Service Class I |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Motor Application | General Purpose |
| Style | Right Angle |
| Frame Size | 56C |
| Material | Cast Iron, Standard Paint |
| Input (Shaft or Bore) Size | 5/8 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Weight | 26.1 LB |
| EAN or UPC | 781711630297 |
