<p><strong>Quantity in Package:</strong> </p><p><em>2 Pieces</em><em> of Ball Bearing</em></p><p> </p><p><strong>Ball Bearing Type: </strong></p><p>Deep Groove Radial Ball Bearing</p><p> </p><p><strong>Sealing Type:</strong> </p><p>Open Style Seal</p><p> </p><p><strong>Dimensions in Inches:</strong></p><p>0.39" (Inner Diameter) x 1.18" (Outer Diameter) x 0.35" (Width)</p><p> </p><p><strong>Dimensions in Millimeter: </strong></p><p>10 mm (Inner Diameter) x 30 mm (Outer Diameter) x 9 mm (Width)</p>