Genuine Zetor 971971 needle bearing, an original Zetor part. This high-quality bearing features an inner diameter of 20 mm, an outer diameter of 26 mm, and a width of 16 mm. It ensures reliable performance in various Zetor tractor models, including the 3320, 3321, 3340, 3341, 4320, 4321, 4340, 4341, 5320, 5321, 5340, 5341, 6320, 6321, 6340, 6341, 7320, 7321, 7340, and 7341 series.