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Boston Gear
721-5-J
700 Series 5:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101856438
- 2 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
| Input (Shaft or Bore) Size | 5/8 in |
| Style | Right Angle |
| Ratio | 5:1 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Output Torque @ RPM | 575 in lb @ 1150 rpm, 620 in lb @ 1750 rpm |
| Max. Input HP @ 100 rpm | 0.3 hp |
| Output Torque | 620 lb-in |
| Torque Out @ 1750 rpm | 620 in lb |
| Media Mapping Output | J |
| Torque Out @ 1150 rpm | 575 in lb |
| Washdown Duty | No |
| Material | Cast Iron, Standard Paint |
| Frame Size | Shaft Input, Not a C-Face |
| Input Power Rating | 3.66 hp, 2.729 kW |
| Fan Cooled | No |
| Lubrication | None |
| Input HP @ RPM | 2.33 hp @ 1150 rpm, 3.66 hp @ 1750 rpm |
| HP @ RPM | 3 hp @ 1800 rpm |
| Box Length | 6 in |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Family Name | Std Unit |
| Input Motor HP | 2 |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Reduction Type | Single |
| Box Height | 6 3/8 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output (Shaft or Bore) Size | 1 in |
| Box Width | 3 13/16 in |
| Output RPM @ 1750 rpm Input | 350 rpm |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Rated Efficiency | 94% |
| Use With | 721 |
| Input Configuration | Shaft Input |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Output RPM @ Input RPM | 350 rpm @ 1750 rpm |
| Series | 700 |
| Shaft Assembly Code | J |
| Output Shaft | Solid |
| Motor Application | General Purpose |
| Output Bore Shaft Dia. | 1 in |
| Center Distance | 2.0625 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Base to Centerline of Output Shaft | 2 9/32 in |
| Output Speed | 350 rpm |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Output Configuration | Right Output |
| Frame | N/A |
| Standard | AGMA Service Class II |
| Base Mounting Attachment | No Base |
| Bolt Center | 6 3/8 in x 4 11/16 in |
| Housing Material | Cast Iron |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Output Shaft Projection | Solid Right Output |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Worm Position | Universal |
| Center Distance Code | 721 |
| Weight | 24.1 LB |
| EAN or UPC | 781711516836 |
