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The Nachi thrust needle roller bearing is a precision mechanical component designed to handle high axial loads in limited spaces. It consists of hardened steel needles with diameters ranging from 2 to 6 millimeters, retained in a steel or polyamide cage. The inner diameter varies from 10 to 120 millimeters, while the outer diameter ranges from 24 to 200 millimeters. Manufacturing precision follows ISO 3245 standards with a P6 tolerance class. The rolling elements typically feature surface hardness between 58 and 64 HRC. Its compact design and linear needle contact reduce friction and increase load capacity by up to 35 percent compared to similar models.
The structure of Nachi thrust needle roller bearings employs precision grinding technology to achieve micron-level tolerances, improving service life and operational stability. Lubrication is usually performed using NLGI-2 industrial grease or ISO VG 46 oil. The operating temperature range is from minus 20 to plus 120 degrees Celsius, and with alloyed chrome steel, it can perform steadily up to 150 degrees. This bearing type is widely used in gearboxes, pumps, and precision machinery, offering high load capacity and reduced energy consumption, making it a top engineering choice for axial load systems.
WEBSITE: Nachi thrust needle roller bearing Iran
