MB AL/MS ALL/MS Series Lock washer and lock deviceAdapter sleeves are the most commonly used components for locating bearings with a tapered bore onto a cylindrical seat as they can used on plain shafts or stepped shafts. They are easily to install or require no additional location on the shaft. When used on plain shafts,the bearing can be located at any position on the shaft. When used on stepped shafts together with an L-shaped spacer ring.the bearing can be accurately positioned axially,thereby facilitating bearing mounting and dismounting.Phone: +86-592-580 8851 / +86-592-580 7618Email: sales@ldk-bearing.com ; benjamin@ldk-bearings.com