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Boston Gear
7715-20-G
700 Series 20:1 Ratio G Assembly Single Reduction Worm Gear Reducer Without Base
Item #101808990
- 0.75 Input Motor hp
- 700 Series
- 1.54 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
- Mounting of speed reducers in overhead positions may be hazardous
- Use of external guides or supports is strongly recommended for overhead mounting.
| Output Shaft Projection | Solid Left Output |
| Base to Centerline of Output Shaft | 1 29/32 in |
| Output Shaft | Solid |
| Series | 700 |
| Housing Material | Cast Iron |
| Washdown Duty | No |
| Lubrication | None |
| Torque Out @ 1150 rpm | 380 in lb |
| Rated Efficiency | 84% |
| Center Distance | 1.54 in |
| Max. Thrust Load @ RPM | 400 lb/in @ 1150 rpm, 400 lb/in @ 1750 rpm |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Max. Overhung Load @ RPM | 300 lb/in @ 1150 rpm, 300 lb/in @ 1750 rpm |
| Use With | 715 |
| Input Configuration | Shaft Input |
| Frame Size | Shaft Input, Not a C-Face |
| Output Torque @ RPM | 380 in lb @ 1150 rpm, 435 in lb @ 1750 rpm |
| Output Torque | 435 lb-in |
| Media Mapping Output | G |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Fan Cooled | No |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Box Width | 3 11/16 in |
| Reduction Type | Single |
| Output Speed | 87.5 rpm |
| Bolt Centers w/ Std. Base Kit (in) | 5 1/4 x 4 5/16 |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Input Motor HP | 0.75 |
| Max. Overhung Load @ 1750 rpm | 300 lb/in |
| Max. Thrust Load @ 1150 rpm | 400 lb/in |
| Style | Right Angle |
| Worm Position | Universal |
| Input (Shaft or Bore) Size | 5/8 in |
| Output Torque Rating Range [Max] | 499 lb-in, 59 Nm |
| Bolt Centers w/ Vertical Base Kits (in) | 6.97 x 4.00 |
| Input HP @ RPM | 0.43 hp @ 1150 rpm, 0.72 hp @ 1750 rpm |
| Output (Shaft or Bore) Size | 3/4 in |
| Torque Out @ 1750 rpm | 435 in lb |
| Base to Centerline of Input Shaft | 3 29/64 in |
| Max. Input HP @ 100 rpm | 0.056 hp |
| Shaft Assembly Code | G |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.25 x 2.50 |
| Box Height | 5 3/8 in |
| Ratio | 20:1 |
| Bolt Center | 5 1/4 in x 4 5/16 in |
| Standard | AGMA Service Class I |
| Material | Cast Iron, Standard Paint |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Output Configuration | Left Output |
| Output Bore Shaft Dia. | 0.75 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.06 in |
| Input Power Rating | 0.72 hp, 0.537 kW |
| Family Name | Std Unit |
| Frame | N/A |
| Output Torque Rating Range [Min] | 300 lb-in, 35 Nm |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Box Length | 5 1/8 in |
| Motor Application | General Purpose |
| Center Distance Code | 715 |
| Base Mounting Attachment | No Base |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Bolt Center Length x Bolt Center Width | 5 1/4 in x 4 5/16 in |
| Weight | 17.1 LB |
| EAN or UPC | 781711516393 |
