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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
| Motor Application | General Purpose |
| Housing Material | Cast Iron |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Output RPM @ 1750 rpm Input | 58 rpm |
| Output Torque | 871 lb-in |
| Input (Shaft or Bore) Size | 5/8 in |
| Frame | 56C |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Output Configuration | Right Output |
| Frame Size | 56C |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Fan Cooled | No |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Media Mapping Output | J |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Input HP @ RPM | 0.99 hp @ 1750 rpm, 0.62 hp @ 1150 rpm |
| Base Mounting Attachment | No Base |
| Output Torque @ RPM | 871 in lb @ 1750 rpm, 795 in lb @ 1150 rpm |
| Media Mapping Style | F |
| Bore Code | B5 |
| Output (Shaft or Bore) Size | 1 in |
| Box Width | 5 3/16 in |
| Output Shaft Projection | Solid Right Output |
| Box Length | 6 in |
| Input Configuration | C-Face Quilled |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Series | 700 |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Center Distance Code | 721 |
| Lubrication | None |
| Family Name | F |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Reduction Type | Single |
| Ratio | 30:1 |
| Material | Cast Iron, Standard Paint |
| Max. Input HP @ 100 rpm | 0.086 hp |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Bolt Pattern | 5 x 2.88 |
| HP @ RPM | 0.75 hp @ 1800 rpm |
| Style | Right Angle |
| Use With | 721 |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Worm Position | Universal |
| Output RPM @ Input RPM | 58 rpm @ 1750 rpm |
| Motor Frame Size | B556C |
| Output Speed | 58.3 rpm |
| Max. Thrust Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Center Distance | 2.0625 in |
| Input Motor HP | 1 |
| Output Bore Shaft Dia. | 1 in |
| Max. Overhung Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Base to Centerline of Output Shaft | 2.28 in |
| Torque Out @ 1150 rpm | 795 in lb |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Torque Out @ 1750 rpm | 871 in lb |
| Shaft Assembly Code | J |
| Box Height | 6 3/8 in |
| Washdown Duty | No |
| Input Power Rating | 0.99 hp, 0.738 kW |
| Standard | AGMA Service Class I |
| Bolt Center | 5 in x 2 7/8 in |
| Motor HP | 3/4 hp |
| Rated Efficiency | 81% |
| Output Shaft | Solid |
| Base | No |
| Weight | 24.1 LB |
| EAN or UPC | 781711519714 |
