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
| Output Speed | 87.5 rpm |
| Motor Application | General Purpose |
| Max. Overhung Load @ RPM | 300 lb/in @ 1150 rpm, 300 lb/in @ 1750 rpm |
| Max. Thrust Load @ 1150 rpm | 400 lb/in |
| Rated Efficiency | 84% |
| Frame | 56C |
| Media Mapping Output | J |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Series | 700 |
| Base to Shaft Center Height w/Std. Base Kit | 4.06 in |
| Center Distance | 1.54 in |
| Input Power Rating | 0.72 hp, 0.537 kW |
| Input Motor HP | 0.75 |
| Bore Code | B5 |
| Lubrication | None |
| Box Width | 5 1/16 in |
| Bolt Center Length x Bolt Center Width | 3 11/16 in x 4 3/16 in |
| Frame Size | 56C |
| Torque Out @ 1150 rpm | 380 in lb |
| Shaft Assembly Code | J |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Center Distance Code | 715 |
| Output Shaft | Solid |
| Base to Centerline of Output Shaft | 1 29/32 in |
| Output Bore Shaft Dia. | 0.75 in |
| Output (Shaft or Bore) Size | 3/4 in |
| Fan Cooled | No |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Output Torque @ RPM | 380 in lb @ 1150 rpm, 435 in lb @ 1750 rpm |
| Material | Cast Iron, Standard Paint |
| Use With | 715 |
| Input Configuration | C-Face Coupled |
| Style | Right Angle |
| Base Mounting Attachment | No Base |
| Standard | AGMA Service Class I |
| Max. Input HP @ 100 rpm | 0.056 hp |
| Output Configuration | Right Output |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Output Torque | 435 lb-in |
| Ratio | 20:1 |
| Input HP @ RPM | 0.43 hp @ 1150 rpm, 0.72 hp @ 1750 rpm |
| Max. Thrust Load @ RPM | 400 lb/in @ 1150 rpm, 400 lb/in @ 1750 rpm |
| Bolt Center | 3 11/16" x 4 3/16" |
| Keyway Size | 3/16 x 3/32 |
| Max. Overhung Load @ 1750 rpm | 300 lb/in |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Box Length | 5 1/8 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Motor Frame Size | B556C |
| Torque Out @ 1750 rpm | 435 in lb |
| Bolt Centers w/ Vertical Base Kits (in) | 6.97 x 4.00 |
| Motor HP | 0.5 hp |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.25 x 2.50 |
| Output Torque Rating Range [Min] | 300 lb-in, 35 Nm |
| Base to Centerline of Input Shaft | 3 7/16 in |
| Reduction Type | Single |
| Family Name | RF |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Housing Material | Cast Iron |
| Output Torque Rating Range [Max] | 499 lb-in, 59 Nm |
| Media Mapping Style | RF |
| Bolt Centers w/ Std. Base Kit (in) | 5 1/4 x 4 5/16 |
| Worm Position | Universal |
| Box Height | 5 3/8 in |
| Washdown Duty | No |
| Weight | 23.1 LB |
| EAN or UPC | 781711526552 |
