# Boston Gear 30270552 HMF3-2K-B9-B11 Helical Speed Reducer Size 3 2:1 Ratio 140TC Input 210TC Output - MROSupply.com

***Boston Gear 30270552 HMF3-2K-B9-B11 helical speed reducer, size 3, 2:1 ratio, 140TC input flange, 210TC output flange. Cast iron housing for industrial power transmission applications requiring speed increase or reduction.***



## Product details:

- Catalog number: HMF3-2K-B9-B11
- SKU: 48111
- Price: ***$1,143.49*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Boston Gear](https://www.mrosupply.com/brands/boston-gear/)
- Category: 
    - [Right Angle Helical/Spiral Bevel Speed Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-helicalspiral-bevel-speed-reducers/)
    - [Right Angle Speed Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/)
    - [Speed Reducers](htts://www.mrosupply.com/speed-reducers/)
- Unit of measure: each
- Weight: 50.001 lb
- Technicall support: contact supplier for technical support on 800-626-2120


## Product images:
- https://static.mrosupply.com/images/noimage.webp




## Product's reviews:
- 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.
- 80 tooth change gear - Exact part for the machine, deliverd quickly, and priced right!
- Right parts - very very please thank you
- Quality - very high quality. using these gears in a model 9 cylinder radial engine with a 1"
bore. about 8 h.p. , for oil pump a scavenge pump timing gears and distributor . very good quality gears.