81120 TN

Engineered specifically to accommodate heavy single-direction axial loads within a tight physical footprint, the 81120 TN bearing is a highly stiff cylindrical roller thrust assembly measuring 100mm in bore diameter, 135mm in outer diameter, and 25mm in width. What makes the 81120 TN particularly practical for demanding applications like industrial transmissions or heavy machine tools is its completely separable architecture, allowing technicians to mount the shaft washer, housing washer, and the roller thrust cage independently to streamline both initial installation and routine maintenance. The "TN" suffix indicates that the 81120 TN utilizes a lightweight, glass-fiber reinforced polyamide 66 cage, a material choice that significantly reduces operating noise while maintaining structural stability in temperatures ranging from -20°C to 120°C. To combat premature wear from edge loading under severe impact forces, the roller ends on every 81120 TN are slightly relieved; this precise geometry modification softens the line contact to prevent destructive stress peaks along the raceway, directly extending the bearing's functional service life in the field.

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