Locknuts used for bearings and other components fixed to the shaft or adapter sleeve. It also be used to install on the conical journal bearing and disassembly withdrawal sleeve bearing.                                                                                                                                      Lock nuts in a wide range of sizes, they are also used as shaft or extraction nuts, depending on their usage. They are used to locate bearings and other components onto a shaft as well as to facilitate mounting bearings on tapered journals and dismounting bearings from extraction sleeves. 

Henan Province YUXI Bearing Co., Ltd. Adapter Sleeve Branch located in LingBao Henan Province. Its predecessor was YUXI adapter sleeve factory, founded in 1965, and restructured into joint-stock enterprises in 2015. Specialized production and sales various metric and British system adapter sleeves, withdrawal sleeves, lock nuts, lock washers and locking devices. The registered trademark is "YXC".

Company is the largest high-end bearing accessories manufacturing and marketing base in China; it is China's unique enterprise involved in the drafting and revision of the national standards for withdrawal adapter sleeves. Also, it is the unique factory export products oversea. Mainly customers are: PTS, AWT, FAG, Rollway.