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Boston Gear
F7724-20-B7-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101834961
- 2 Input Motor hp
- 700 Series
- 2.38 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
| Output Configuration | Right Output |
| Output Shaft Projection | Solid Right Output |
| Base to Centerline of Output Shaft | 2.5 in |
| Output Torque Rating Range [Min] | 1000 lb-in, 110 Nm |
| Bolt Centers w/ Std. Base Kit (in) | 7 1/16 x 4 7/8 |
| Family Name | F |
| Input HP @ RPM | 1.27 hp @ 1150 rpm, 1.95 hp @ 1750 rpm |
| Media Mapping Output | J |
| Output Torque @ RPM | 1160 in lb @ 1150 rpm, 1233 in lb @ 1750 rpm |
| Box Width | 5 7/16 in |
| Torque Out @ 1150 rpm | 1160 in lb |
| Max. Thrust Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Shaft Assembly Code | J |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Reduction Type | Single |
| Center Distance Code | 724 |
| Output Torque Rating Range [Max] | 1499 lb-in, 159 Nm |
| HP @ RPM | 1.5 hp @ 1800 rpm |
| Base Mounting Attachment | No Base |
| Max. Overhung Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Motor Application | General Purpose |
| Housing Material | Cast Iron |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 4.06 in |
| Media Mapping Style | F |
| Bolt Center | 5 in x 2 7/8 in |
| Motor Frame Size | B7140TC180C |
| Series | 700 |
| Lubrication | None |
| Frame Size | 140TC, 180C |
| Bolt Centers w/ Vertical Base Kits (in) | 8.94 x 4.88 |
| Base to Centerline of Input Shaft | 4.875 in |
| Standard | AGMA Service Class I |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 9.19 x 2.88 |
| Input (Shaft or Bore) Size | 7/8 in |
| Fan Cooled | No |
| Input Power Rating | 1.95 hp, 1.454 kW |
| Box Length | 6 3/8 in |
| Max. Overhung Load @ 1750 rpm | 900 lb/in |
| Box Height | 6 15/16 in |
| Washdown Duty | No |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Material | Cast Iron, Standard Paint |
| Output Shaft | Solid |
| Input Motor HP | 2 |
| Ratio | 20:1 |
| Output Bore Shaft Dia. | 1.125 in |
| Base to Shaft Center Height w/Std. Base Kit | 5.19 in |
| Max. Thrust Load @ 1150 rpm | 900 lb/in |
| Output Torque | 1233 lb-in |
| Output (Shaft or Bore) Size | 1 1/8 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.38 in |
| Input Configuration | C-Face Quilled |
| Style | Right Angle |
| Base to Shaft Center Height w/High Vert. Base Kit | 5 1/4 in |
| Frame | 140TC, 180C |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Worm Position | Universal |
| Motor HP | 1 1/2 hp |
| Use With | 724 |
| Output Speed | 87.5 rpm |
| Torque Out @ 1750 rpm | 1233 in lb |
| Keyway Size | 3/16 x 3/32 |
| Max. Input HP @ 100 rpm | 0.17 hp |
| Rated Efficiency | 88% |
| Center Distance | 2.375 in |
| Bore Code | B7 |
| Weight | 30.1 LB |
| EAN or UPC | 781711519981 |
| NSN Number | 6105-01-275-7052 |
