Find a Service Center
Boston Gear
F721-15-B7-J
700 Series 15:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101870873
- 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
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Media Mapping Style | F |
| Use With | 721 |
| Reduction Type | Single |
| Fan Cooled | No |
| Box Height | 6 3/8 in |
| Torque Out @ 1750 rpm | 840 in lb |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Output Torque @ RPM | 752 in lb @ 1150 rpm, 840 in lb @ 1750 rpm |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Base Mounting Attachment | No Base |
| Motor HP | 1 1/2 hp |
| Style | Right Angle |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Housing Material | Cast Iron |
| Bolt Center | 5 in x 2 7/8 in |
| Output RPM @ 1750 rpm Input | 117 rpm |
| Input Power Rating | 1.72 hp, 1.283 kW |
| Frame Size | 140TC, 180C |
| Max. Input HP @ 100 rpm | 0.13 hp |
| Input (Shaft or Bore) Size | 7/8 in |
| Center Distance Code | 721 |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| HP @ RPM | 1 hp @ 1800 rpm |
| Motor Application | General Purpose |
| Input Configuration | C-Face Quilled |
| Output Speed | 116.7 rpm |
| Base to Centerline of Output Shaft | 2.28 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Output Torque | 841 lb-in |
| Bore Code | B7 |
| Output Shaft | Solid |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Input HP @ RPM | 1.06 hp @ 1150 rpm, 1.72 hp @ 1750 rpm |
| Washdown Duty | No |
| Worm Position | Universal |
| Output (Shaft or Bore) Size | 1 in |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Series | 700 |
| Lubrication | None |
| Ratio | 15:1 |
| Output Configuration | Right Output |
| Motor Frame Size | B7140TC180C |
| Box Length | 6 in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output Bore Shaft Dia. | 1 in |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Torque Out @ 1150 rpm | 752 in lb |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Output RPM @ Input RPM | 117 rpm @ 1750 rpm |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Media Mapping Output | J |
| Base | No |
| Box Width | 5 3/16 in |
| Center Distance | 2.0625 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Frame | 140TC, 180C |
| Keyway Size | 3/16 x 3/32 |
| Output Shaft Projection | Solid Right Output |
| Standard | AGMA Service Class I |
| Rated Efficiency | 90% |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Family Name | F |
| Input Motor HP | 1.50 |
| Material | Cast Iron, Standard Paint |
| Shaft Assembly Code | J |
| Weight | 24.1 LB |
| EAN or UPC | 781711525869 |
