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Boston Gear
F721-5-B7-J
700 Series 5:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101523860
- 2 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
- Unlimited shelf life
- Specially refined aggregate provides an irregular surface profile
| Box Length | 6 in |
| Use With | 721 |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Box Height | 6 3/8 in |
| Housing Material | Cast Iron |
| Bore Code | B7 |
| Motor Application | General Purpose |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Output RPM @ 1750 rpm Input | 350 rpm |
| Center Distance | 2.0625 in |
| Max. Input HP @ 100 rpm | 0.3 hp |
| Frame Size | 140TC, 180C |
| Bolt Center | 5 in x 2 7/8 in |
| Ratio | 5:1 |
| Motor Frame Size | B7140TC180C |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Family Name | F |
| Torque Out @ 1750 rpm | 620 in lb |
| Output Shaft Projection | Solid Right Output |
| Worm Position | Universal |
| Base to Centerline of Output Shaft | 2.28 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Input HP @ RPM | 2.33 hp @ 1150 rpm, 3.66 hp @ 1750 rpm |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Input (Shaft or Bore) Size | 7/8 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Standard | AGMA Service Class II |
| Lubrication | None |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Center Distance Code | 721 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Keyway Size | 3/16 x 3/32 |
| Output (Shaft or Bore) Size | 1 in |
| Torque Out @ 1150 rpm | 575 in lb |
| Output Bore Shaft Dia. | 1 in |
| Input Motor HP | 2 |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Shaft Assembly Code | J |
| HP @ RPM | 3 hp @ 1800 rpm |
| Material | Cast Iron, Standard Paint |
| Rated Efficiency | 94% |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Base | No |
| Fan Cooled | No |
| Output Torque | 620 lb-in |
| Reduction Type | Single |
| Series | 700 |
| Style | Right Angle |
| Input Configuration | C-Face Quilled |
| Output Speed | 350 rpm |
| Output Torque @ RPM | 575 in lb @ 1150 rpm, 620 in lb @ 1750 rpm |
| Motor HP | 2 hp |
| Output Configuration | Right Output |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Base Mounting Attachment | No Base |
| Output Shaft | Solid |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output RPM @ Input RPM | 350 rpm @ 1750 rpm |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Washdown Duty | No |
| Input Power Rating | 3.66 hp, 2.729 kW |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Media Mapping Style | F |
| Box Width | 5 3/16 in |
| Media Mapping Output | J |
| Frame | 140TC, 180C |
| Weight | 24.1 LB |
| EAN or UPC | 781711519530 |
