• Model: R188-2RS with dimensions of 1/4" x 1/2" x 3/16" (inner diameter x outer diameter x thickness). • Equipped with a double-sided rubber seal to prevent the entry of dust and moisture, prolonging the bearing's lifespan. • Made of high-quality chrome steel, offering excellent strength, hardness, and corrosion resistance. • Supports significant radial and axial loads, ideal for high-speed applications. • Grease lubrication for a long-lasting effect, reducing friction and wear. • Wide applications: power tools, motors, fans, rollers, appliances, and office equipment. • Precision class: P6 (ABEC3) and noise level: Z2.