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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
| Use With | 721 |
| Media Mapping Output | J |
| Base | No |
| Output Speed | 35 rpm |
| Housing Material | Cast Iron |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Base to Centerline of Output Shaft | 2.28 in |
| Output Bore Shaft Dia. | 1 in |
| Input HP @ RPM | 0.38 hp @ 1150 rpm, 0.66 hp @ 1750 rpm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Input Configuration | C-Face Quilled |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Output Torque @ RPM | 750 in lb @ 1150 rpm, 857 in lb @ 1750 rpm |
| Frame | 56C |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Keyway Size | 3/16 x 3/32 |
| Output RPM @ Input RPM | 35 rpm @ 1750 rpm |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Bore Code | B5 |
| Worm Position | Universal |
| Rated Efficiency | 72% |
| Box Width | 5 3/16 in |
| Input Motor HP | 0.50 |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Fan Cooled | No |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Output Torque | 857 lb-in |
| Motor HP | 1/2 hp |
| Series | 700 |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Output Shaft Projection | Solid Right Output |
| Output Configuration | Right Output |
| Washdown Duty | No |
| Output RPM @ 1750 rpm Input | 35 rpm |
| Style | Right Angle |
| Media Mapping Style | F |
| Output Shaft | Solid |
| Standard | AGMA Service Class II |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Box Length | 6 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Material | Cast Iron, Standard Paint |
| Torque Out @ 1750 rpm | 857 in lb |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Box Height | 6 3/8 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Bolt Center | 5 in x 2 7/8 in |
| Motor Frame Size | B556C |
| Frame Size | 56C |
| Reduction Type | Single |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Max. Input HP @ 100 rpm | 0.057 hp |
| Lubrication | None |
| Center Distance Code | 721 |
| Base Mounting Attachment | No Base |
| Family Name | F |
| Ratio | 50:1 |
| Input Power Rating | 0.66 hp, 0.492 kW |
| Center Distance | 2.0625 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Input (Shaft or Bore) Size | 5/8 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Torque Out @ 1150 rpm | 750 in lb |
| Motor Application | General Purpose |
| Shaft Assembly Code | J |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Output (Shaft or Bore) Size | 1 in |
| Weight | 24.1 LB |
| EAN or UPC | 781711519776 |
