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