Notes: 20E-22-K1250 TAPE ROLLER THRUST BEARING JW5549/JW5510 is original KOMATSU product. 20E-22-K1250 TAPE ROLLER THRUST BEARING JW5549/JW55101 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849