15579X/15520 is produced in volume with flexible MOQ; mixed batches and neutral-pack/OEM options are supported for distributors and OEMs.
Key specs: d = 25.987 mm, D = 57.15 mm, B = 17.462 mm, Cr = 42.6 kN, Cor = 50.1 kN. A complete datasheet is generated per model.
Typical buyers are in mining, cement, steel, wind, agriculture, material handling and general machinery manufacturing.
As a direct factory source, 15579X/15520 offers competitive ex-works pricing with short lead times versus imported brand equivalents.