This is a specific needle roller bearing: part number TLA2520Z, which is equivalent to HK2520. The dimensions are 25mm inner diameter, 32mm outer diameter, and 20mm width. Needle roller bearings are great for applications where you need a high load capacity in a compact space. They’re commonly used in gearboxes, engines, transmissions, and all sorts of machinery. If you’re replacing a worn bearing or building something, just match these part numbers and dimensions to make sure it’s the right one. No frills, just a precision mechanical component.
