Bearing accessories normally including adapter sleeve ,withdrawal sleeve and lock nuts. Adapter and withdrawal sleeves are used to locate bearings with tapered bore on plain or stepped shafts. They facilitate bearing mounting and dismounting and, in many cases, simplify bearing arrangement design. Lock nuts are used to locate bearings and other components onto a shaft or adapter sleeve and facilitate mounting and dismounting. Bearing supplies a wide assortment of lock nuts.Lock nuts are easy to install, do not damage the shaft and provide effective locking. Since seals and bearing housings are in separate sections, the accessories covered in this section include the sleeves and lock nuts used to locate and lock bearings in position on a shaft.