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Boston Gear
F7721-30-B5-J
700 Series 30:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101856455
- 1 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
- Must be filled to the proper level with the recommended lubricant for your application before operation
| Reduction Type | Single |
| Bolt Center | 5 in x 2 7/8 in |
| Bolt Pattern | 5 x 2.88 |
| Rated Efficiency | 81% |
| Output RPM @ Input RPM | 58 rpm @ 1750 rpm |
| Center Distance Code | 721 |
| Frame | 56C |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Base | No |
| Frame Size | 56C |
| Output Shaft | Solid |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Ratio | 30:1 |
| Fan Cooled | No |
| Washdown Duty | No |
| Standard | AGMA Service Class I |
| Output Torque | 871 lb-in |
| Motor HP | 3/4 hp |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Housing Material | Cast Iron |
| Output Shaft Projection | Solid Right Output |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Motor Frame Size | B556C |
| Media Mapping Style | F |
| Box Width | 5 3/16 in |
| Base Mounting Attachment | No Base |
| Torque Out @ 1750 rpm | 871 in lb |
| Base to Centerline of Output Shaft | 2.28 in |
| Lubrication | None |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Output Speed | 58.3 rpm |
| Output RPM @ 1750 rpm Input | 58 rpm |
| Worm Position | Universal |
| Output (Shaft or Bore) Size | 1 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Style | Right Angle |
| Input Configuration | C-Face Quilled |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Material | Cast Iron, Standard Paint |
| Input HP @ RPM | 0.99 hp @ 1750 rpm, 0.62 hp @ 1150 rpm |
| Shaft Assembly Code | J |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Output Torque @ RPM | 871 in lb @ 1750 rpm, 795 in lb @ 1150 rpm |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Motor Application | General Purpose |
| Max. Overhung Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Box Length | 6 in |
| HP @ RPM | 0.75 hp @ 1800 rpm |
| Max. Thrust Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Series | 700 |
| Use With | 721 |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Media Mapping Output | J |
| Center Distance | 2.0625 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Output Bore Shaft Dia. | 1 in |
| Input Motor HP | 1 |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Bore Code | B5 |
| Input Power Rating | 0.99 hp, 0.738 kW |
| Family Name | F |
| Torque Out @ 1150 rpm | 795 in lb |
| Box Height | 6 3/8 in |
| Max. Input HP @ 100 rpm | 0.086 hp |
| Output Configuration | Right Output |
| Weight | 24.1 LB |
| EAN or UPC | 781711519714 |
