We never sell your data to third parties
Boston Gear 30268371 SF842BR-28K-B5-M1 helical speed reducer with 28:1 ratio, case size 4, and 2 helical stages. This unit features a 56C input flange (B5) and is designed for industrial power transmission applications requiring compact, efficient speed reduction.
MODEL SF842BR-28K-B5-M1
Contact supplier for technical support on: 800-626-2120
$1,503.61 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Select Quantity
Typically Ships in: 1 day
Returnable: See conditions
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 | 28 |
| Max Input HP | 1 |
| Fan Cooled | No |
| Unit Of Measure Show | EN |
| Output RPM @1750 | 62.0 |
| Output Shaft Style | Hollow O/P |
| Product Family | 800BR Series |
| Exact Gear Ratio | 27.428 |
| Product Description | SF842BR-D/R Red 28:1 Ratio, No Base, "H" Assy |
| Rated Efficiency | 72% |
| Base | No Base |
| Max Output Torque Cap | 725 |
| Input Frame Size | B5-56C |
| 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: 37408
New lead screw gear.
Used this gear on a new lead screw l made for my old 1919 LeBlond belt drive lathe. It worked great for my application.
Read moreSKU: 35599
80 tooth change gear
Exact part for the machine, deliverd quickly, and priced right!
Read moreSKU: 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: 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 more
| Brand | Electra/Grove Gear |
| Model | NH8240025.00 |
SKU: 37408
New lead screw gear.
Used this gear on a new lead screw l made for my old 1919 LeBlond belt drive lathe. It worked great for my application.
Read moreSKU: 35599
80 tooth change gear
Exact part for the machine, deliverd quickly, and priced right!
Read moreSKU: 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: 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/