Retaining BallA Retaining Ball Is Designed Inside The Slider To Ensure The Overall Smooth Operation, Which Can Ensure The Stability Of The Material During Transportation, And It Is Easy To Replace If There Is Any Deviation High-Quality MaterialThe Linear Bearing Seat Is Made Of High-Quality Aluminum Alloy, And The Bearing Block Is Strong Enough For Long-Term Use And Has Strong Load-Bearing CapacityProfessional Structure Design The Guide Block Adopts Four-Point Contact Design, Which Is More Stable During Movement, Can Withstand Loads In All Directions, And Improve Operation AccuracyStandard Size In Order To Replace The Slider More Easily Damaged In The Equipment, It Is Suitable For Most Automation Equipment. The Slider Is Designed As A High Precision Standard Size Slider, Which Has The Characteristics Of Small Size, Light Weight, Low Friction And Smooth MovementHigh Precision ProcessThis Set Contains Four Standard Cnc Sliders Industrial, High-Precision Linear Bearings And Its Standard Processing Gives The Product High Interchangeability