General description Made of bearing steel for durability and strength, these 60 pieces of 628RS miniature double sealed deep groove ball bearings are designed for high performance. They feature a simple configuration, high speed, high precision, and a lower friction coefficient, resulting in less vibration and noise. These bearings are widely used in various applications, including industrial equipment, micro motors, rotary motors, and office equipment. Technical specifications Material: Bearing Steel Color: Silver Model: 628RS Inner Diameter: 8mm Outer Diameter: 24mm Thickness: 8mm Weight: 990g Other information Package Contents: 60 pcs x Deep Groove Ball Bearing Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.