Self-aligning ball bearing has two rows of spherical balls, the outer race provides a common concave spherical raceway, while the inner race provides two concave spherical raceways that form an angle with the bearing axis. The curvature center of the oute
MATERIAL QUALITIES - The PP material A4/A5/A6 size plastic report file folder with 2 pocket card holderThe slim design of the clip at the top fits well with the look of the res.