# Boston Gear F872BF-20K-B9-M8 Helical Speed Reducer 20:1 Ratio Case Size 7 Two-Stage - MROSupply.com

***Boston Gear F872BF-20K-B9-M8 is a helical speed reducer with a 20:1 ratio, two reduction stages, and case size 7. The unit features a 180TC input flange (B9) and is designed for industrial power transmission applications requiring compact, high-efficiency gearing.***



## Product details:

- Catalog number: F872BF-20K-B9-M8
- SKU: 46195
- Price: ***$3,158.22*** 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
- Weight: 105.100 lb
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product documents / software:

- [Catalog Product Section](https://documents.mrosupply.com/product_documents/D0/D02379/p-1485-bg_800b_in-line_helical.pdf)
- [Engineering Data](https://documents.mrosupply.com/product_documents/D0/D02637/p-1485-bg_engineering-section_HDosJBH.pdf)
- [Full Catalog](https://documents.mrosupply.com/product_documents/D0/D02637/p-1485-bg_fKcoPkR.pdf)
- [Installation & Operation Manual](https://documents.mrosupply.com/product_documents/D0/D02637/p-3010-bg_40ahQ0b.pdf)

## Product's reviews:
- Good quality, fast delivery. - Easy ordering, don't have a minimum quantity, and fast delivery. Very satisfied with order.
- 80 tooth change gear - Exact part for the machine, deliverd quickly, and priced right!
- Good seller - Catalogue item, good price, fast delivery = good seller
- Na40 - Fast shipping!!! Great to do business with.