# Boston Gear F842B-71K-B5-M5 Helical Speed Reducer 71:1 Ratio 56C Input Flange - MROSupply.com

***Boston Gear 30264709 F842B-71K-B5-M5 helical speed reducer with 71:1 ratio and 56C input flange. This single reduction helical gearbox is designed for industrial power transmission applications requiring efficient right-angle or inline speed reduction.***



## Product details:

- Catalog number: F842B-71K-B5-M5
- SKU: 2040090
- Price: ***$718.38*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Boston Gear](https://www.mrosupply.com/brands/boston-gear/)
- Category: 
    - [Quill Input Inline Helical Reducers](htts://www.mrosupply.com/speed-reducers/inlineconcentric-speed-reducers/inline-helical-speed-reducers/quill-input-inline-helical-reducers/)
    - [Inline Helical Speed Reducers](htts://www.mrosupply.com/speed-reducers/inlineconcentric-speed-reducers/inline-helical-speed-reducers/)
    - [Inline/Concentric Speed Reducers](htts://www.mrosupply.com/speed-reducers/inlineconcentric-speed-reducers/)
    - [Speed Reducers](htts://www.mrosupply.com/speed-reducers/)
- Unit of measure: each
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- 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 documents / software:

- [Data Sheet](https://documents.mrosupply.com/product_documents/40/42/40424/p-1485-bg_800b_in-line_helical_em5Xii1.pdf)

## Product's reviews:
- 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!
- 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.
- 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.
- Good quality, fast delivery. - Easy ordering, don't have a minimum quantity, and fast delivery. Very satisfied with order.