Description The ball bearings are made of ABS and steel. With a high precision rating, these miniature deep groove ball bearings are designed to protect the bearings from dust and water, ensuring a longer lifespan. The steel material used in the bearings provides excellent wear resistance and durability. These bearings are suitable for various mechanical devices such as skateboards, roller shoes, and toy cars. Features -Color:As Shown-Material:Steel,ABS-Size:2.20X2.20X0.70cm/0.86X0.86X0.28in-Accuracy Grade:P6-Miniature deep groove ball bearings with seals for dust and water protection, made of ABS and steel material for durability.-With seals provide effective protection against dust and water, ensuring the longevity and performance of the bearings.-The steel material used in the bearings ensures their durability and resistance to wear and tear, making them suitable for various mechanical devices.-The miniature deep groove design of the bearings enhances their speed and efficiency, allowing for improved bearing performance.-With enough bearings provides a cost-effective solution for those in need of multiple bearings for their mechanical devices.Packing list: 10 x Bearings