1.Product Introduction: With a double-row steel ball + intermediate washer structure, capable of bearing bidirectional axial loads, without the need for additional paired bearings, suitable for bidirectional axial scenarios. 2.Structure Type: Intermediate washer (fixed) + double shaft washers (fitted to the shaft) + double-row steel balls + cage, the intermediate washer has double raceways. 3.Size Range: Inner diameter: 15 - 250mm, outer diameter: 40 - 350mm, height: 15 - 60mm. 4.Material: Shaft washer: GCr15/GCR15SIMN/20Cr2Ni4A, housing washer (intermediate washer): GCr15/GCR15SIMN/20Cr2Ni4A, rolling elements (steel balls): GCr15/GCR15SIMN, cage: stamped steel / brass. 5.Accuracy: Conventional P0/P6 grades, precision models are of P5 grade. 6.Application Fields: Bidirectional positioning of machine tool spindles, printing machinery, textile equipment. 7.Key Inspection Items: Bidirectional axial clearance, consistency of double-row steel balls, parallelism of the intermediate washer.