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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
| Fan Cooled | No |
| Output Speed | 87.5 rpm |
| Output Shaft Projection | Solid Right Output |
| Output Shaft | Solid |
| Input Configuration | C-Face Quilled |
| Box Width | 5 1/32 in |
| Output Bore Shaft Dia. | 0.875 in |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Base | No |
| Frame Size | 56C |
| Torque Out @ 1750 rpm | 590 in lb |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Output (Shaft or Bore) Size | 7/8 in |
| Base to Centerline of Input Shaft | 3 13/16 in |
| Washdown Duty | No |
| Motor HP | 3/4 hp |
| Standard | AGMA Service Class I |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Rated Efficiency | 84% |
| Bore Code | B5 |
| Center Distance Code | 718 |
| Ratio | 20:1 |
| Input (Shaft or Bore) Size | 5/8 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3 1/2 in |
| Output RPM @ 1750 rpm Input | 88 rpm |
| Box Height | 5 3/4 in |
| Input HP @ RPM | 0.97 hp @ 1750 rpm, 0.58 hp @ 1150 rpm |
| Series | 700 |
| Output Configuration | Right Output |
| HP @ RPM | 0.75 hp @ 1800 rpm |
| Family Name | F |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Center Distance | 1.75 in |
| Media Mapping Output | J |
| Base to Centerline of Output Shaft | 2 1/16 in |
| Reduction Type | Single |
| Lubrication | None |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Max. Input HP @ 100 rpm | 0.08 hp |
| Media Mapping Style | F |
| Base Mounting Attachment | No Base |
| Material | Cast Iron, Standard Paint |
| Frame | 56C |
| Motor Frame Size | B556C |
| Max. Overhung Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Output Torque | 590 lb-in |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Keyway Size | 3/16 x 3/32 |
| Box Length | 5 1/2 in |
| Motor Application | General Purpose |
| Worm Position | Universal |
| Bolt Pattern | 4 3/16 x 2 3/4 |
| Style | Right Angle |
| Output Torque @ RPM | 590 in lb @ 1750 rpm, 525 in lb @ 1150 rpm |
| Use With | 718 |
| Shaft Assembly Code | J |
| Input Power Rating | 0.97 hp, 0.723 kW |
| Torque Out @ 1150 rpm | 525 in lb |
| Bolt Center Length x Bolt Center Width | 4 3/16 in x 2 3/4 in |
| Input Motor HP | 1 |
| Max. Thrust Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Housing Material | Cast Iron |
| Weight | 19.1 LB |
| EAN or UPC | 781711519356 |
