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Boston Gear
F7721-40-B5-J
700 Series 40:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101809114
- 0.75 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
| Bore Code | B5 |
| Bolt Pattern | 5 x 2.88 |
| Series | 700 |
| Input Power Rating | 0.81 hp, 0.604 kW |
| Material | Cast Iron, Standard Paint |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Torque Out @ 1750 rpm | 876 in lb |
| Worm Position | Universal |
| Box Length | 6 in |
| Box Height | 6 3/8 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Reduction Type | Single |
| Shaft Assembly Code | J |
| Output (Shaft or Bore) Size | 1 in |
| Output Configuration | Right Output |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Center Distance Code | 721 |
| Fan Cooled | No |
| Housing Material | Cast Iron |
| Output Shaft Projection | Solid Right Output |
| Output RPM @ 1750 rpm Input | 44 rpm |
| Family Name | F |
| Lubrication | None |
| Base Mounting Attachment | No Base |
| Rated Efficiency | 75% |
| Output Torque | 876 lb-in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Bolt Center | 5 in x 2 7/8 in |
| Input Motor HP | 0.75 |
| Input (Shaft or Bore) Size | 5/8 in |
| Input Configuration | C-Face Quilled |
| Washdown Duty | No |
| Media Mapping Style | F |
| Max. Overhung Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Motor HP | 1/2 hp |
| HP @ RPM | 0.5 hp @ 1800 rpm, 0.3333333 hp @ 1200 rpm |
| Media Mapping Output | J |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Style | Right Angle |
| Motor Frame Size | B556C |
| Base | No |
| Max. Input HP @ 100 rpm | 0.074 hp |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Use With | 721 |
| Frame Size | 56C |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Box Width | 5 3/16 in |
| Output Shaft | Solid |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Center Distance | 2.0625 in |
| Base to Centerline of Output Shaft | 2.28 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Ratio | 40:1 |
| Output Speed | 43.8 rpm |
| Output RPM @ Input RPM | 44 rpm @ 1750 rpm |
| Standard | AGMA Service Class I |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Torque Out @ 1150 rpm | 785 in lb |
| Motor Application | General Purpose |
| Input HP @ RPM | 0.81 hp @ 1750 rpm, 0.49 hp @ 1150 rpm |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Output Torque @ RPM | 876 in lb @ 1750 rpm, 785 in lb @ 1150 rpm |
| Frame | 56C |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Output Bore Shaft Dia. | 1 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Weight | 24.1 LB |
| EAN or UPC | 781711519745 |
