DescriptionThese roller bearinguse carbon steel and rubber materials, sturdy and durable for long time to use. The roller bearingcan roll to fit your needs better. Suitable for processing machinery, electric motor, wheels, home appliances, garden machinery.Features-Color:As Shown -Material:Steel, rubber -Size:2.86X2.86X0.79cm/1.12X1.12X0.31in - Deep groove ball bearing feature high speeds and support both radial and axial loads. -High hardness, ball bearings are not break or deform easily, safe to move and use. -Made of steel and rubber, ball bearing hasgood corrosion-resistant, durable, and reliable enough to use. -Good craftsmanship, featuring smooth and rounded corners, ball bearings have stable functions. - Wide range of applications, suitable for home appliances and garden machinery, outdoor electric toys.