CL 4000 spline shaft kit 21618-004 (For tapered roller bearings) is the ultimate splined shaft kit replacement solution for your Danfoss/Eaton 4000 series equipment. This all-in-one precision spline shaft kit comes with every critical component needed, eliminating the hassle of sourcing individual parts. Crafted from premium, industrial-grade materials, this agricultural machinery spline shaft is engineered to resist extreme wear and tear, easily handling heavy loads even in the toughest working conditions. The precision-machined parts ensure seamless alignment and smooth torque transfer, boosting motor efficiency by up to 15% compared to generic replacements. Whether for agricultural, construction, or industrial use, the spline shaft with bearing inserted replacement shaft kit delivers long-lasting performance. Trust it to get your equipment back to peak performance quickly and reliably.