Adapter Sleeve
Adapter Sleeves are widely used auxiliary components for mounting spherical roller bearings, self-aligning ball bearings and cylindrical roller bearings onto smooth cylindrical shafts. As a tapered bushing assembly consisting of a sleeve, lock nut and lock washer, they enable simple installation and removal without requiring stepped shafts.
When tightening the lock nut, the tapered sleeve contracts evenly to achieve tight friction fit between bearing inner bore and shaft. This design ensures precise positioning, strong fastening and concentricity during high-speed rotation. Standard adapter sleeves adopt high-quality steel with precise machining to guarantee consistent taper tolerance.

They are extensively applied in fans, conveyors, textile machinery, agricultural equipment and mining machinery. Adapter sleeves greatly simplify bearing assembly work and facilitate later maintenance and bearing replacement. Multiple metric standard sizes are available. Custom specifications can also be provided to meet special installation requirements for industrial equipment.
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