
Boston Gear
SFWA721-100-B5-G
700 Series C-Face Quilled, Hollow Output Double Reduction Parallel Reducer
Item #102860066


- 2 1/16" Center Distance
- 100:1 Ratio
- 56C Frame
- C-Face Quilled Input
- Hollow Output
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
- Must be filled to the proper level with the recommended lubricant for your application before operation
Box Length | 5 13/64 in |
Ratio | 100:1 |
Motor HP | 0.5 hp |
Output Configuration | Hollow Output |
Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
Input Configuration | C-Face Quilled |
Reduction Type | Double Reduction |
Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
Keyway Size | 3/16 x 3/32 |
Center Distance | 2.0625 in |
Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
Bore Code | B5 |
Lubrication | None |
Shaft Assembly Code | G |
Max. Overhung Load @ 1750 rpm | 700 lb/in |
Torque Out @ 1150 rpm | N/A |
Box Width | 9 55/64 in |
Input (Shaft or Bore) Size | 5/8 in |
HP @ RPM | 0.5 hp @ 1800 rpm |
Housing Material | Cast Iron |
Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
Washdown Duty | No |
Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
Base to Centerline of Output Shaft | 4 3/32 in |
Bolt Center | 5 in x 2 7/8 in |
Output (Shaft or Bore) Size | 1 1/8 in |
Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
Output RPM @ 1750 rpm Input | 17.5 rpm |
Family Name | SFWA |
Box Height | 6 25/64 in |
Motor Application | General Purpose |
Max. Thrust Load @ 1150 rpm | 700 lb/in |
Thermal Input Horsepower @ 1750 RPM | N/A |
Worm Position | Universal¦Parallel |
Base to Centerline of Input Shaft | 3 3/8 in |
Frame | 56C |
Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
Fan Cooled | No |
Torque Out @ 1750 rpm | 910 in lb |
Frame Size | 56C |
Weight | 37.1 LB |
EAN or UPC | 889208610842 |
