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Boston Gear SF842BR-40K-B7-M1 helical speed reducer with 40:1 ratio, case size 4, and 2 helical stages. Features a 140TC input flange (B7) and is designed for industrial power transmission applications requiring compact right-angle or inline speed reduction.
MODEL SF842BR-40K-B7-M1
Contact supplier for technical support on: 800-626-2120
$1,503.61 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Boston Gear 800BR Series helical worm gear drives are heavy duty helical gear drives with long life performance features and simplified maintenance. The 800BR Series comes in double and triple reduction ratios from 8:1 through 900:1 and a maximum 10HP rating. As always, the 800BR Series is available via Reducer Express.
| Pre-Lubricated | Yes |
|---|---|
| Ratio | 40 |
| Max Input HP | 1.5 |
| Fan Cooled | No |
| Unit Of Measure Show | EN |
| Output RPM @1750 | 43.0 |
| Output Shaft Style | Hollow O/P |
| Product Family | 800BR SERIES |
| Exact Gear Ratio | 39.259 |
| Product Description | SF842BR-D/R RED 40:1 Ratio, No Base, "H" ASSY |
| Rated Efficiency | 70% |
| Base | No Base |
| Max Output Torque Cap | 1516 |
| Input Frame Size | B7-140TC/180C |
| Input Style | Quill |
| Reduction Stages | Double |
| Weight | 31 |
| Motor HP | 1.5 |
| Recommended Lubrication | Klubersynth UH1 6-460 |
| Family Id | 30,313 |
| AGMA Service Class | I |
| Output Shaft O.D./Bore Size | 1.25 |
SKU: 38771
Gear box oil
This has been very hard to find. It’s the oil spec’ed for my 1950s Rockwell wedge bed planer gear box. I haven’t found it anyplace else.
Read moreSKU: 38404
Boston gear order
MRO had the items that I needed. I ordered them and they were shipped faster than I expected. It was a pleasant experience all around.
Read more
| Brand | NTN Bearing |
| Model | LM451310 |
SKU: 38771
Gear box oil
This has been very hard to find. It’s the oil spec’ed for my 1950s Rockwell wedge bed planer gear box. I haven’t found it anyplace else.
Read moreSKU: 38404
Boston gear order
MRO had the items that I needed. I ordered them and they were shipped faster than I expected. It was a pleasant experience all around.
Read moreItem must be unused.
Item must be in it's original package.
25% Restocking, shipping and handling fees may apply to any return with this manufacturer.
For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/