Are you looking for a professional, yet reasonable linear bearing? Are you in search of a sturdy, trustworthy accessory that can do multiple jobs at once? , ! Our Linear Ball Bearing must meet your needs, this Ball Bearing Bushing is one of the great choices for you. Features -Color:Silver -Material:Steel -Size:2.40X1.50X0.80cm/0.94X0.59X0.31in Inner diameter: 8mm Number of rows of balls:4 -The linear bearings are made of firm steel materials to ensure durability and reliability. -These ball bearings are manufactured using precision machining techniques, high accuracy and stability. -The Ball Bearing Bushings are suitable for use in various equipment, such as 3d printers and engraving machines. -The standardized dimensions of these Linear Motion Bushings make them easy to install and replace in any compatible equipment. -With excellent wear resistance, these Sealed Linear Motion Bushings can significantly extend the lifespan of the equipment they are used in. Package list: 6 x linear bearings