Notes: 216-4458/GETX06769 TAPE ROLLER THRUST BEARING 90X55X23 is original CATERPILLAR product. 216-4458/GETX06769 TAPE ROLLER THRUST BEARING 90X55X231 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849