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$54.22
NSK NUP309EC3 Cylindrical Roller Bearing – High-Capacity, Precision Bearing for Industrial and Mechanical Systems
The NSK NUP309EC3 is a high-performance cylindrical roller bearing designed to deliver exceptional radial load support and precise axial location. Manufactured by NSK, a global leader in advanced bearing technology, this model is built for durability, accuracy, and efficient operation in demanding applications.
With a 45 mm inner diameter, 100 mm outer diameter, and 25 mm width, the NUP309EC3 is ideal for medium to heavy-duty industrial systems. The NUP configuration includes a fixed inner ring flange and a separable outer ring with two flanges, enabling accurate axial positioning and simplified assembly. The C3 internal clearance allows for thermal expansion and higher operating speeds, making it suitable for electric motors, gearboxes, and machinery subject to dynamic conditions.
Constructed with premium-grade steel and manufactured to strict OEM tolerances, the NSK NUP309EC3 provides excellent wear resistance, reduced friction, and extended service life even under high stress.
Engineers and maintenance professionals choose the NSK NUP309EC3 for its robust construction, consistent performance, and long-term reliability in both OEM applications and high-demand maintenance settings.
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1–3 Days in Most States
Bulk Discounts Available
OEM-Approved Lubricants
Fleets & Operators
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