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Boston Gear 30267396 872B-5.1K-M1 helical speed reducer with a 5.1:1 ratio. Helical gear design provides smooth, quiet operation and high efficiency for industrial power transmission. Cast iron housing ensures durability and long service life in demanding applications.
MODEL 872B-5.1K-M1
Contact supplier for technical support on: 800-626-2120
$2,887.67 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Boston Gear 800 Series contains a focused selection of compact, heavy duty helical gear drives that offer long-life performance and simplified maintenance. A broad range of reduction ratios suit an even broader range of specifications, while a variety of input shaft configurations maximize flexibility. In addition, the number of products that complement this series of gear drives make it an ideal choice for today industrial distributor. The 800 Series provides a functional interchange for Sew Eurodrive and other European manufacturers’ helical gear drives, making it uniquely practical for replacement applications.
| Pre-Lubricated | Yes |
|---|---|
| Ratio | 5.1:1 |
| Max Input HP | 21.2 |
| Fan Cooled | No |
| Unit Of Measure Show | English |
| Output RPM @1750 | 340.0 |
| Output Shaft Style | Solid Projecting |
| Product Family | 800B In-Line |
| Exact Gear Ratio | 4.995 |
| Product Description | 872 D/R Red, 5.1 Ratio, Base Mount |
| Rated Efficiency | 96% |
| Base | Base Mounted |
| Max Output Torque Cap | 3698 |
| Input Frame Size | None |
| Input Style | Projecting Input Shaft |
| Reduction Stages | Double |
| Weight | 92 |
| Motor HP | 10 |
| Recommended Lubrication | Klubersynth Uh1 6-460 |
| Family Id | 30, 077 |
| AGMA Service Class | Iii |
| Output Shaft O.D./Bore Size | 1.625 |
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: 35599
80 tooth change gear
Exact part for the machine, deliverd quickly, and priced right!
Read moreSKU: 35104
12d.p. 14t spur gear
This item was closer to exactly what I needed than I had thought possible to find in the last 75 or so years. quite affordable, too. I almost didn't look, but when I did, there it was. I had in hand in just a couple of days.
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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: 35599
80 tooth change gear
Exact part for the machine, deliverd quickly, and priced right!
Read moreSKU: 35104
12d.p. 14t spur gear
This item was closer to exactly what I needed than I had thought possible to find in the last 75 or so years. quite affordable, too. I almost didn't look, but when I did, there it was. I had in hand in just a couple of days.
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/