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