On request
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BOSTON GEAR (ALTRA)
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BOSTON GEAR (ALTRA) F631B-4-B7
#F631B-4-B7
On request
F631B-4-B7, In-Line Helical Worm Speed Rducers, 3.89:1 Ratio, 7/8" C-Face Quilled Input
Price on request — a consultant will confirm lead time and terms.
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Specifications
| Brand | BOSTON GEAR (ALTRA) |
| Category | INLINE HELICAL WORM SPEED REDUCERS |
| Maximum input horsepower | 5.150 @ 1750 hp, rpm |
| Maximum output rpm | 438.000 @ 1750 input rpm |
| Ratio | 3.89:1 |
| Maximum output torque | 708 @ 1750 in-lbs, rpm |
| Nema / iec frame size | 140TC/180C |
| Overhung load capacity | 457 lb |
| Input type | C-Face Quilled |
| Housing dimensions | 9.05 x 7.08 x 9.76 in |
| Output direction | Right |
| Housing height | 9.76 in |
| Input size | 7/8 in |
| Housing length | 9.05 in |
| Output size | 1 in |
| Housing width | 7.08 in |
| Center distance | 3.54 in |
| Mounting type | Foot Mount |
| Reduction | Single |
| Standards met | AGMA |
| Manufacturer reducer size | 631 |
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