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NSK 40TAC90BDDGSUC10 is a super‑precision Ball Screw Support Bearing manufactured by NSK, designed for highly rigid ball screw applications. Featuring a bore diameter of 40 mm, outside diameter of 90 mm, and width of 20 mm, this bearing comes with universal ground surfaces, heavy preload (C10), and sealed design (DDG). Rated with a basic dynamic axial load up to ~62 kN (single row) and limiting axial capacity up to ~89.5 kN, it supports high-speed operation (up to 3,500 min⁻¹ grease or 4,600 min⁻¹ oil). Mass is approximately 0.674 kg per unit. Constructed in Japan, this bearing is greased for life and ready for matched‑set installation for CNC and precision machinery applications.
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