BOSTON GEAR F231S-4-B9 Hollow Output Shaft Helical Reducer, 4:1 Ratio, No Base
Get it by Wednesday, Aug 26
€5,170.61 /unit
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Product Specifications:
| Item | Reducer |
| Center Distance | 3.11" |
| Dia. | 8 22/25" |
| Efficiency | 98% |
| Finish | Standard Paint |
| Gear Ratio | 4:1 |
| Input Dia. | 1 1/8" |
| Input Speed | 431 RPM |
| Input Style | Quill |
| Key Way Size | 1/4" x 1/8" |
| Lubrication | Klubersynth UH1 6-460 |
| Material | Cast Iron |
| Max. Input Hp | 5 hp |
| Motor Hp | 5 hp |
| Mounting Type | C Face, No Base |
| Output Dia. | 1 7/16" |
| Output Type | Hollow Bore Shaft |
| Product Datasheet | boston-gear-221d-10.pdf |
| Product Series | 200 Series |
| Torque | 950 lbs.-in. |
| Type | Single Reduction Flanged |
| Width | 8.06" |
Shipping Info:
| Ship weight (kg) | 30.2 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Max. Input Hp | Output Dia. | Input Dia. | Output Speed | Type | Input Style | Reduction Type | Input Speed | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 |
F221D-20-B5 | 1/2 hp | 1" | 5/8" | - | Double Reduction Flanged | Quill | Double | 87 RPM | €3,633.92 | |
 |
F221D-24-B5 | - | - | - | 73 RPM | No Base W/ Input Flange | F Standard Quill Flange | 200 Series Parallel Shaft | - | €3,633.92 | |
 |
F221S-4-B5 | 1 hp | 1" | 5/8" | - | Single Reduction Flanged | Quill | Single | 431 RPM | €3,116.59 | |
 |
F226D-10-B5 | - | - | - | - | - | - | - | - | €4,391.47 | |
 |
F226D-14-B5 | - | - | - | - | - | - | - | - | €4,391.47 | |
 |
F226D-14-B7 | - | - | - | 121 RPM | No Base W/ Input Flange | F Standard Quill Flange | 200 Series Parallel Shaft | - | €4,391.47 | |
 |
F226D-17-B5 | - | - | - | - | - | - | - | - | €4,391.47 |
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BOSTON GEAR F231S-4-B9 Hollow Output Shaft Helical Reducer, 4:1 Ratio, No Base
€5,170.61 /unit