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Boston Gear
RF715-20-B5-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101872278
- 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
- Must be filled to the proper level with the recommended lubricant for your application before operation
| Ratio | 20:1 |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Use With | 715 |
| Bolt Center Length x Bolt Center Width | 3 11/16 in x 4 3/16 in |
| Input Motor HP | 0.75 |
| Input Power Rating | 0.72 hp, 0.537 kW |
| Output (Shaft or Bore) Size | 3/4 in |
| Input HP @ RPM | 0.43 hp @ 1150 rpm, 0.72 hp @ 1750 rpm |
| Frame | 56C |
| Output Shaft | Solid |
| Max. Input HP @ 100 rpm | 0.056 hp |
| Frame Size | 56C |
| Bolt Center | 3 11/16" x 4 3/16" |
| Max. Thrust Load @ 1150 rpm | 400 lb/in |
| Worm Position | Universal |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Output Torque @ RPM | 380 in lb @ 1150 rpm, 435 in lb @ 1750 rpm |
| Box Width | 5 1/16 in |
| Series | 700 |
| Output Speed | 87.5 rpm |
| Housing Material | Cast Iron |
| Media Mapping Output | J |
| Bolt Centers w/ Vertical Base Kits (in) | 6.97 x 4.00 |
| Reduction Type | Single |
| Motor Frame Size | B556C |
| Output Torque Rating Range [Max] | 499 lb-in, 59 Nm |
| Motor Application | General Purpose |
| Center Distance Code | 715 |
| Input Configuration | C-Face Coupled |
| Media Mapping Style | RF |
| Torque Out @ 1150 rpm | 380 in lb |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Family Name | RF |
| Output Configuration | Right Output |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Max. Overhung Load @ 1750 rpm | 300 lb/in |
| Washdown Duty | No |
| Output Torque | 435 lb-in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.25 x 2.50 |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Box Length | 5 1/8 in |
| Output Bore Shaft Dia. | 0.75 in |
| Fan Cooled | No |
| Max. Thrust Load @ RPM | 400 lb/in @ 1150 rpm, 400 lb/in @ 1750 rpm |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Torque Out @ 1750 rpm | 435 in lb |
| Keyway Size | 3/16 x 3/32 |
| Base to Centerline of Output Shaft | 1 29/32 in |
| Rated Efficiency | 84% |
| Base Mounting Attachment | No Base |
| Style | Right Angle |
| Output Torque Rating Range [Min] | 300 lb-in, 35 Nm |
| Center Distance | 1.54 in |
| Shaft Assembly Code | J |
| Max. Overhung Load @ RPM | 300 lb/in @ 1150 rpm, 300 lb/in @ 1750 rpm |
| Box Height | 5 3/8 in |
| Lubrication | None |
| Input (Shaft or Bore) Size | 5/8 in |
| Base to Centerline of Input Shaft | 3 7/16 in |
| Material | Cast Iron, Standard Paint |
| Base to Shaft Center Height w/Std. Base Kit | 4.06 in |
| Motor HP | 0.5 hp |
| Bore Code | B5 |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Bolt Centers w/ Std. Base Kit (in) | 5 1/4 x 4 5/16 |
| Standard | AGMA Service Class I |
| Weight | 23.1 LB |
| EAN or UPC | 781711526552 |
