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