The John Deere R49839 Hub Bushing is an authentic OEM component designed to provide critical support and reduce friction within the front wheel hub assemblies of a wide range of John Deere agricultural tractors. This durable bushing, measuring approximately 54 mm in length, 54 mm in width, and 51 mm in height, and weighing about 0.054 kg, helps maintain proper alignment and extends the lifespan of associated components. It is essential for reliable performance in demanding agricultural applications. Always refer to your specific machine's parts catalog for exact placement and compatibility.