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Boston Gear 30347254 F872B-3.9K-B11-M1 inline helical speed reducer with 3.9:1 ratio. Features a 140TC input flange and cast iron housing for general industrial power transmission applications.
MODEL F872B-3.9K-B11-M1
Contact supplier for technical support on: 800-626-2120
$2,688.52 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
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Typically Ships in: 1 day
Returnable: See conditions
Over 40 different ratios 1.5
1 - 71:1 double-reduction ratios 36:1 - 250:1 triple-reduction ratios
Ratios up to 70
1 in just two stages means increased efficiency and reduced case size.
Product Features
- Four basic sizes 1/6 - 10 HP
- Over 40 different ratios 1.5:1 - 71:1 double-reduction ratios 36:1 - 250:1 triple-reduction ratios
- Non-flanged and NEMA c-face input styles
- Base-mount and output flange-mount models available
- Output-shaft diameters from 3/4" to 1 5/8"
- The standard NEMA C-face design will accept any standard NEMA motor, making it exceptionally versatile.
- Ratios up to 70:1 in just two stages means increased efficiency and reduced case size.
- Accessible oil seals simplify routine product maintenance.
- All units can be double sealed on both the input and output to withstand the rigors of even the most demanding applications.
- 800 Series drives come pre-filled with synthetic lubrication for your specific mounting position.
- Sizes 3 and 4 are lubricated for life which promotes trouble-free operation.
- Washdown duty units in white or stainless steel epoxy coatings make these gear drives ideal for the most severe Washdown.
SKU: 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 moreSKU: 42691
Purchase
Great pricing - Fast shipping - A vendor I have used in the past and will again in the future.
Read moreSKU: 34959
Needle gear
I'm very happy with my purchase. I found exactly what I was looking for and I received it in a couple days. I will recommend your company to others and I hope I can deal with you again. Thank you!
Read more
| Brand | Consolidated Bearings |
| Model | SILC-80 ES |
| Brand | Tingley |
| Model | J22207-2XL |
SKU: 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 moreSKU: 42691
Purchase
Great pricing - Fast shipping - A vendor I have used in the past and will again in the future.
Read moreSKU: 34959
Needle gear
I'm very happy with my purchase. I found exactly what I was looking for and I received it in a couple days. I will recommend your company to others and I hope I can deal with you again. Thank you!
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/