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Boston Gear 30341067 F872B-4.4K-B11-M1 inline helical speed reducer with 4.4:1 ratio. Features a 180TC input flange (B11) and M1 output configuration. Cast iron housing for industrial power transmission applications.
MODEL F872B-4.4K-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: 6132994
Speed reducer purchase
The purchase was easy it did take two purchase until we got the correct part I guess it was a fault on both parts as we were looking at the wrong part number, but overall the purchase was good part fit perfectly. Thanks for your support.
Read moreSKU: 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: 35645
Change gears
Found what I needed, fair price,...fast delivery....All Good!! Good job MRO Supply!
Read moreSKU: 36216
Worm
Haven't used them yet, but they match the worm gear perfectly. They should serve the purpose for which I purchased them.
Read more
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SKU: 6132994
Speed reducer purchase
The purchase was easy it did take two purchase until we got the correct part I guess it was a fault on both parts as we were looking at the wrong part number, but overall the purchase was good part fit perfectly. Thanks for your support.
Read moreSKU: 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: 35645
Change gears
Found what I needed, fair price,...fast delivery....All Good!! Good job MRO Supply!
Read moreSKU: 36216
Worm
Haven't used them yet, but they match the worm gear perfectly. They should serve the purpose for which I purchased them.
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/