# Thomson Linear 421H45ARL4000 400 Series Ball Profile Rail 45mm High Precision 4000mm Length - MROSupply.com

***Thomson Linear 421H45ARL4000 400 Series ball profile rail, 45 mm rail size, high precision grade, A style, steel alloy construction, 4000 mm overall length. Designed for use with 400 Series ball carriages in linear motion applications requiring smooth, accurate guidance. Through-hardened bearing-grade steel provides consistent load distribution and long service life in factory automation and material handling systems.***



## Product details:

- Catalog number: 421H45ARL4000
- SKU: 1817639
- Price: ***$1,582.84*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Thomson Linear](https://www.mrosupply.com/brands/thomson-linear/)
- Category: 
    - [Ball Guides & Bearings](htts://www.mrosupply.com/linear-motion/linear-bearings-guides/ball-guides-bearings/)
    - [Linear Bearings & Guides](htts://www.mrosupply.com/linear-motion/linear-bearings-guides/)
    - [Linear Motion](htts://www.mrosupply.com/linear-motion/)
- Unit of measure: each
- Weight: 84.657 lb
- Returns: Yes


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


## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/18/17/1817651/2D_PBG_421_A_B_Style_mKkpfXe.gif)
- [Nomenclature](https://documents.mrosupply.com/product_documents/18/17/1817652/Decoder_421_Ball-Rail_H8Dk8AH.gif)

## Product's reviews:
- Review your thomson linear dm12-20a5-18ce purchase - Great pricing. Thanks.
- 5.8 inch actuator - It was exactly what i needed for the center window on 370 Sea Ray. will buy from again if needed
- Bearing purchase - Received part in a timely manner.
- 12 volt motor - Bought this motor to replace failed unit on linear actuator on Grasshopper powerfold. Worked excellent, simple bolt on procedure. Saved $600.00 over replacing entire linear actuator!!!