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