# Timken AN 40 Locknut, Housed Unit Sleeve and Accessory - MROSupply.com

***Timken AN 40 is a locknut accessory for housed bearing units, used with adapter sleeves to secure spherical roller bearings on straight shafts. This component is part of the mounting hardware for tapered bore bearings in pillow block and split housing assemblies.***



## Product details:

- Catalog number: AN 40
- SKU: 5121218
- Price: ***$208.46*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [Components & Accessories Mounted Roller Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/components-accessories-mounted-roller-bearings/)
    - [Mounted Roller Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/)
    - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 8.740 lb
- Returns: Yes


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



## Alternate products to `Timken AN 40 Locknut, Housed Unit Sleeve and Accessory - MROSupply.com`:
- [SKF AN 40 is a lock nut with a 7-6/7 in bore. This lock nut is used to secure bearings on shafts and is compatible with SKF lock washers. It features a precision-ground thread for reliable locking in industrial applications.](https://www.mrosupply.com/products/324841/as-markdown/)
- [PTI AN40 inch locknut, 40 mm thread, steel construction. Designed for securing bearings on shafts, this locknut provides reliable axial retention in power transmission applications.](https://www.mrosupply.com/products/2195236/as-markdown/)

## Product's reviews:
- Best company to buy from - I always buy from MRO is a very reliable company to work with




## FAQ:

- How do I choose the right type of bearing for my application?: Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints.
For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials.
In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.