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Boston Gear
RF718-40-B5-H
700 Series 40:1 Ratio H Assembly Single Reduction Worm Gear Reducer Without Base
Item #101872280
- 0.5 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
caution
- Must be filled to the proper level with the recommended lubricant for your application before operation
| Housing Material | Cast Iron |
| Frame Size | 56C |
| Max. Overhung Load @ RPM | 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Keyway Size | 3/16 x 3/32 |
| Output Speed | 43.8 rpm |
| Base to Centerline of Output Shaft | 2 1/16 in |
| Base Mounting Attachment | No Base |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Reduction Type | Single |
| Motor HP | 0.3333 hp |
| Series | 700 |
| Box Length | 5 1/2 in |
| Base to Centerline of Input Shaft | 3 13/16 in |
| Center Distance | 1.75 in |
| Media Mapping Output | H |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Use With | 718 |
| Center Distance Code | 718 |
| Output (Shaft or Bore) Size | 7/8 in |
| Input Motor HP | 0.50 |
| Worm Position | Universal |
| Material | Cast Iron, Standard Paint |
| Output Configuration | Left & Right Output |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.3333333 hp @ 1800 rpm |
| Family Name | RF |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Output RPM @ Input RPM | 44 rpm @ 1750 rpm |
| Frame | 56C |
| Input Power Rating | 0.57 hp, 0.425 kW |
| Output Torque @ RPM | 525 in lb @ 1150 rpm, 609 in lb @ 1750 rpm |
| Input Configuration | C-Face Coupled |
| Box Width | 5 1/32 in |
| Motor Frame Size | B556C |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Torque Out @ 1150 rpm | 525 in lb |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Max. Input HP @ 100 rpm | 0.052 hp |
| Bore Code | B5 |
| Motor Application | General Purpose |
| Output RPM @ 1750 rpm Input | 43.75 rpm |
| Rated Efficiency | 74% |
| Output Shaft | Solid |
| Input HP @ RPM | 0.33 hp @ 1150 rpm, 0.57 hp @ 1750 rpm |
| Ratio | 40:1 |
| Fan Cooled | No |
| Input (Shaft or Bore) Size | 5/8 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Torque Out @ 1750 rpm | 609 in lb |
| Washdown Duty | No |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Standard | AGMA Service Class I |
| Style | Right Angle |
| Output Bore Shaft Dia. | 0.875 in |
| Lubrication | None |
| Max. Thrust Load @ RPM | 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm |
| Bolt Center Length x Bolt Center Width | 4 3/16 in x 2 3/4 in |
| Box Height | 5 3/4 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Output Torque | 609 lb-in |
| Media Mapping Style | RF |
| Shaft Assembly Code | H |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Weight | 27.1 LB |
| EAN or UPC | 781711526873 |
