The Krone 900012690 is a genuine OEM collar bush, also known as a wear ring, designed for various Krone agricultural machines. This essential component features an inner diameter of 40mm, an outer diameter of 44mm, and a collar (flange) diameter of 55mm, with an overall length of 26mm. It is specifically engineered with an integrated grease pocket to ensure continuous lubrication, significantly reducing wear and friction at critical pivot points. Manufactured to Krone's stringent quality standards, this bush guarantees a precise fit, enhanced durability, and reliable performance in demanding operating conditions, contributing to the extended lifespan of machinery.