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Boston Gear
F7718-20-B5-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101735456
- 1 Input Motor hp
- 700 Series
- 1.75 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
- Must be filled to the proper level with the recommended lubricant for your application before operation
| Worm Position | Universal |
| Box Height | 5 3/4 in |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Style | Right Angle |
| Reduction Type | Single |
| Max. Overhung Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Media Mapping Style | F |
| Media Mapping Output | J |
| Input Configuration | C-Face Quilled |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Rated Efficiency | 84% |
| Bolt Pattern | 4 3/16 x 2 3/4 |
| Fan Cooled | No |
| Lubrication | None |
| Output (Shaft or Bore) Size | 7/8 in |
| Center Distance Code | 718 |
| Motor HP | 3/4 hp |
| Torque Out @ 1150 rpm | 525 in lb |
| Family Name | F |
| Max. Input HP @ 100 rpm | 0.08 hp |
| Motor Frame Size | B556C |
| Input (Shaft or Bore) Size | 5/8 in |
| Output Torque | 590 lb-in |
| Bolt Center Length x Bolt Center Width | 4 3/16 in x 2 3/4 in |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Max. Thrust Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Frame | 56C |
| Material | Cast Iron, Standard Paint |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Base | No |
| Output Configuration | Right Output |
| Bore Code | B5 |
| Center Distance | 1.75 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Keyway Size | 3/16 x 3/32 |
| Output RPM @ 1750 rpm Input | 88 rpm |
| Base to Centerline of Output Shaft | 2 1/16 in |
| Torque Out @ 1750 rpm | 590 in lb |
| Output Shaft Projection | Solid Right Output |
| Washdown Duty | No |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Use With | 718 |
| Frame Size | 56C |
| Series | 700 |
| Ratio | 20:1 |
| Standard | AGMA Service Class I |
| Output Torque @ RPM | 590 in lb @ 1750 rpm, 525 in lb @ 1150 rpm |
| Base Mounting Attachment | No Base |
| Input HP @ RPM | 0.97 hp @ 1750 rpm, 0.58 hp @ 1150 rpm |
| Output Bore Shaft Dia. | 0.875 in |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Base to Centerline of Input Shaft | 3 13/16 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Output Shaft | Solid |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3 1/2 in |
| Box Width | 5 1/32 in |
| HP @ RPM | 0.75 hp @ 1800 rpm |
| Input Motor HP | 1 |
| Input Power Rating | 0.97 hp, 0.723 kW |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Output Speed | 87.5 rpm |
| Housing Material | Cast Iron |
| Box Length | 5 1/2 in |
| Motor Application | General Purpose |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Shaft Assembly Code | J |
| Weight | 19.1 LB |
| EAN or UPC | 781711519356 |
