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Boston Gear
F7721-50-B5-J
700 Series 50:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101833976
- 0.5 Input Motor hp
- 700 Series
- 2.06 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
| Base to Centerline of Output Shaft | 2.28 in |
| Output (Shaft or Bore) Size | 1 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Material | Cast Iron, Standard Paint |
| Fan Cooled | No |
| Output Configuration | Right Output |
| Box Height | 6 3/8 in |
| Family Name | F |
| Keyway Size | 3/16 x 3/32 |
| Torque Out @ 1750 rpm | 857 in lb |
| Box Length | 6 in |
| Base Mounting Attachment | No Base |
| Frame | 56C |
| Input Motor HP | 0.50 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Ratio | 50:1 |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Base | No |
| Max. Input HP @ 100 rpm | 0.057 hp |
| Motor Frame Size | B556C |
| Lubrication | None |
| Frame Size | 56C |
| Center Distance Code | 721 |
| Washdown Duty | No |
| Output Bore Shaft Dia. | 1 in |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output Torque | 857 lb-in |
| Rated Efficiency | 72% |
| Use With | 721 |
| Output Torque @ RPM | 750 in lb @ 1150 rpm, 857 in lb @ 1750 rpm |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Media Mapping Style | F |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Center Distance | 2.0625 in |
| Input Configuration | C-Face Quilled |
| Output RPM @ Input RPM | 35 rpm @ 1750 rpm |
| Style | Right Angle |
| Output RPM @ 1750 rpm Input | 35 rpm |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Box Width | 5 3/16 in |
| Worm Position | Universal |
| Motor Application | General Purpose |
| Input (Shaft or Bore) Size | 5/8 in |
| Output Shaft | Solid |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Series | 700 |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Input Power Rating | 0.66 hp, 0.492 kW |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Output Speed | 35 rpm |
| Input HP @ RPM | 0.38 hp @ 1150 rpm, 0.66 hp @ 1750 rpm |
| Shaft Assembly Code | J |
| Bore Code | B5 |
| Housing Material | Cast Iron |
| Media Mapping Output | J |
| Standard | AGMA Service Class II |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Bolt Center | 5 in x 2 7/8 in |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Output Shaft Projection | Solid Right Output |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Motor HP | 1/2 hp |
| Reduction Type | Single |
| Torque Out @ 1150 rpm | 750 in lb |
| Weight | 24.1 LB |
| EAN or UPC | 781711519776 |
