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Boston Gear
HF7721-60-B5-H-P20
700 Series 60:1 Ratio Hollow Assembly Single Reduction Worm Gear Reducer Without Base
Item #101795385
- 0.5 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
| Box Height | 6 3/8 in |
| Bore Code | B5 |
| Fan Cooled | No |
| Media Mapping Hollow Bore | P20 |
| Output (Shaft or Bore) Size | 1 1/4 in |
| Series | 700 |
| Lubrication | None |
| Style | Right Angle |
| Input Power Rating | 0.55 hp, 0.41 kW |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output Bore Shaft Dia. | 1.25 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Output Torque | 826 lb-in |
| Output Torque @ RPM | 782 in lb @ 1150 rpm, 892 in lb @ 1750 rpm |
| Frame Size | 56C |
| Torque Out @ 1150 rpm | 782 in lb |
| Motor Frame Size | B556C |
| Input Configuration | C-Face Quilled |
| Box Width | 4 45/64 in |
| Center Distance Code | 721 |
| Keyway Size | 3/16 x 3/32 |
| Base to Centerline of Output Shaft | 2 9/32 in |
| Input Motor HP | 0.50 |
| Media Mapping Output | H |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Washdown Duty | No |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Family Name | HF |
| Housing Material | Cast Iron |
| Standard | AGMA Service Class I |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Reduction Type | Single |
| Output Speed | 29.2 rpm |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| HP @ RPM | 1 hp @ 1800 rpm |
| Max. Thrust 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/High Vert. Base Kit | 4.88 in |
| Frame | 56C |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Bolt Center | 5 in x 2 7/8 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Rated Efficiency | 69% |
| Output Shaft Projection | Hollow Output |
| Output Shaft | Hollow |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Torque Out @ 1750 rpm | 892 in lb |
| Shaft Assembly Code | H |
| Media Mapping Style | HF |
| Input HP @ RPM | 0.86 hp @ 1150 rpm, 1.4 hp @ 1750 rpm |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Center Distance | 2.0625 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Motor Application | General Purpose |
| Base Mounting Attachment | No Base |
| Input (Shaft or Bore) Size | 5/8 in |
| Motor HP | 0.5 hp |
| Worm Position | Universal |
| Material | Cast Iron, Standard Paint |
| Box Length | 6 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Ratio | 60:1 |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Use With | 721 |
| Output Configuration | Hollow Output |
| Weight | 26.1 LB |
| EAN or UPC | 781711630556 |
