Boston Gear
RFWC718-200-B4-G
700 Series 200:1 Ratio G Assembly Double Reduction Without Base Worm Gear Reducer
Item #101788002
- Double Reduction
- 200:1 Ratio
- G Assembly
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
- Not recommended for use in air brake systems where temperatures exceed 200 °F or where battery acid can drip on tubing.
| Bore Code | B4 |
| Reduction Type | Double |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Output Configuration | Left Output |
| Fan Cooled | No |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Center Distance Code | 718 |
| Motor HP | 1/4 hp |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Input Power Rating | 0.19 hp, 0.142 kW |
| Input (Shaft or Bore) Size | 1/2 in |
| Housing Material | Cast Iron |
| Output Speed | 8.8 rpm |
| Washdown Duty | No |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Torque Out @ 1150 rpm | N/A |
| Family Name | RFWC |
| Center Distance | 1.75 in |
| Output Torque | 660 lb-in |
| Shaft Assembly Code | G |
| Frame Size | 42CZ |
| Worm Position | Universal¦Right Angle |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Media Mapping Output | G |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Lubrication | None |
| Output (Shaft or Bore) Size | 7/8 in |
| Style | Right Angle |
| Output Bore Shaft Dia. | 0.875 in |
| Input Motor HP | 0.25 |
| Base Mounting Attachment | No Base |
| Ratio | 200:1 |
| Media Mapping Style | RFWC |
| Keyway Size | 1/8 x 1/16 |
| Torque Out @ 1750 rpm | 660 in lb |
| Frame | 42CZ |
| Base to Centerline of Input Shaft | N/A |
| Output RPM @ 1750 rpm Input | 8.75 rpm |
| Motor Frame Size | B442CZ |
| Standard | AGMA Service Class I |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Motor Application | General Purpose |
| Box Length | 5 1/16 in |
| Box Width | 8 7/8 in |
| HP @ RPM | 0.25 hp @ 1800 rpm |
| Material | Cast Iron, Standard Paint |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Base to Centerline of Output Shaft | 2 1/16 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Box Height | 5 3/4 in |
| Rated Efficiency | 47% |
| Input Configuration | C-Face Coupled |
| Output Shaft | Solid |
| Weight | 34.1 LB |
| EAN or UPC | 781711530955 |
