Find a Service Center
Boston Gear
F721-5-B7-J
700 Series 5:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101523860
- 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
- Unlimited shelf life
- Specially refined aggregate provides an irregular surface profile
| Output RPM @ Input RPM | 350 rpm @ 1750 rpm |
| Frame | 140TC, 180C |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Output Shaft Projection | Solid Right Output |
| Reduction Type | Single |
| Ratio | 5:1 |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Center Distance Code | 721 |
| Input Power Rating | 3.66 hp, 2.729 kW |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Box Width | 5 3/16 in |
| Fan Cooled | No |
| Output RPM @ 1750 rpm Input | 350 rpm |
| Media Mapping Output | J |
| HP @ RPM | 3 hp @ 1800 rpm |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Bore Code | B7 |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Output (Shaft or Bore) Size | 1 in |
| Motor Frame Size | B7140TC180C |
| Rated Efficiency | 94% |
| Frame Size | 140TC, 180C |
| Bolt Center | 5 in x 2 7/8 in |
| Box Height | 6 3/8 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Motor Application | General Purpose |
| Base Mounting Attachment | No Base |
| Output Torque @ RPM | 575 in lb @ 1150 rpm, 620 in lb @ 1750 rpm |
| Media Mapping Style | F |
| Input HP @ RPM | 2.33 hp @ 1150 rpm, 3.66 hp @ 1750 rpm |
| Output Bore Shaft Dia. | 1 in |
| Housing Material | Cast Iron |
| Shaft Assembly Code | J |
| Output Configuration | Right Output |
| Center Distance | 2.0625 in |
| Washdown Duty | No |
| Material | Cast Iron, Standard Paint |
| Series | 700 |
| Keyway Size | 3/16 x 3/32 |
| Lubrication | None |
| Family Name | F |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Max. Input HP @ 100 rpm | 0.3 hp |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Input Motor HP | 2 |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Base to Centerline of Output Shaft | 2.28 in |
| Output Shaft | Solid |
| Output Speed | 350 rpm |
| Output Torque | 620 lb-in |
| Torque Out @ 1150 rpm | 575 in lb |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Base | No |
| Input (Shaft or Bore) Size | 7/8 in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Style | Right Angle |
| Motor HP | 2 hp |
| Box Length | 6 in |
| Use With | 721 |
| Input Configuration | C-Face Quilled |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Standard | AGMA Service Class II |
| Torque Out @ 1750 rpm | 620 in lb |
| Worm Position | Universal |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Weight | 24.1 LB |
| EAN or UPC | 781711519530 |
