Durability and resistance to deformity under loads. Designed for low operation and axial loads only. High performance, low noise and long life, easy to maintain. Mainly used in automotive industry and machine tool. Professional and practical design with beautiful appearance. Features - Color: Silver. - Material: Steel. - Size: 4.20 x 4.20 x 0.40cm/ 1.65 x 1.65 x 0.16 inch. - A needle roller bearing is a bearing that uses small cylindrical rollers. - These rollers are used to reduce friction of a rotating surface. Can be used as inner or outer raceways. - Needle roller thrust bearings take up no more space than a conventional thrust washer. - Thrust needle roller bearings, in applications where the faces of adjacent machine components can serve as raceways. - Needle bearings are usually lubricated with grease, but oil or oil-mist lubrication is preferred for heavy-duty or high-speed applications. Package list: 10 x bearings