This aftermarket replacement splined hub, part number 751074R21, is designed to be a direct fit for various Case IH tractor models. Engineered to meet or exceed original equipment specifications, this high-quality component ensures reliable power transmission within your agricultural machinery. A splined hub plays a critical role in connecting shafts and transferring rotational torque, making it essential for the proper functioning of your tractor's drivetrain or other mechanical systems. Measuring 55mm in length, this hub features 10 precision-machined splines and a 25mm bore, ensuring a secure and accurate fit with corresponding components. It serves as an ideal replacement for worn or damaged original parts, helping to restore optimal performance and extend the operational life of your equipment. This compatible splined hub is suitable for a wide range of Case IH tractor series, including the 485, 585, 685, 785, 885, 995, 3210, 3220, 3230, 4210, 4220, 4230, and 4240 models. Choosing this non-OEM alternative provides a cost-effective solution without compromising on the critical functionality required for demanding agricultural tasks.