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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
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Series | 700 |
| Output (Shaft or Bore) Size | 1 1/4 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Reduction Type | Single |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Media Mapping Output | H |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Bore Code | B5 |
| Output Shaft Projection | Hollow Output |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Frame | 56C |
| Bolt Center | 5 in x 2 7/8 in |
| Media Mapping Hollow Bore | P20 |
| Media Mapping Style | HF |
| Fan Cooled | No |
| Torque Out @ 1750 rpm | 892 in lb |
| Washdown Duty | No |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Standard | AGMA Service Class I |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Input Motor HP | 0.50 |
| Output Bore Shaft Dia. | 1.25 in |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Input Power Rating | 0.55 hp, 0.41 kW |
| Center Distance Code | 721 |
| Base Mounting Attachment | No Base |
| Center Distance | 2.0625 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Output Torque @ RPM | 782 in lb @ 1150 rpm, 892 in lb @ 1750 rpm |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Output Shaft | Hollow |
| HP @ RPM | 1 hp @ 1800 rpm |
| Lubrication | None |
| Torque Out @ 1150 rpm | 782 in lb |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Style | Right Angle |
| Shaft Assembly Code | H |
| Worm Position | Universal |
| Box Height | 6 3/8 in |
| Frame Size | 56C |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Rated Efficiency | 69% |
| Max. Input HP @ 100 rpm | 0.11 hp |
| Use With | 721 |
| Motor HP | 0.5 hp |
| Box Length | 6 in |
| Motor Application | General Purpose |
| Box Width | 4 45/64 in |
| Input HP @ RPM | 0.86 hp @ 1150 rpm, 1.4 hp @ 1750 rpm |
| Housing Material | Cast Iron |
| Keyway Size | 3/16 x 3/32 |
| Output Configuration | Hollow Output |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Output Speed | 29.2 rpm |
| Output Torque | 826 lb-in |
| Motor Frame Size | B556C |
| Ratio | 60:1 |
| Input (Shaft or Bore) Size | 5/8 in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Input Configuration | C-Face Quilled |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Material | Cast Iron, Standard Paint |
| Family Name | HF |
| Base to Centerline of Output Shaft | 2 9/32 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Weight | 26.1 LB |
| EAN or UPC | 781711630556 |
