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The NACHI thrust ball bearing 51101 is a precision axial bearing designed to withstand one-directional axial loads. It consists of three main components: two hardened steel washers and a set of chrome steel balls. The inner diameter measures 12 millimeters, the outer diameter 26 millimeters, and the total thickness 9 millimeters. The rings are made of alloyed chrome steel with a surface hardness of 60 to 64 HRC. The uniformly sized and polished balls reduce friction and enhance motion accuracy. The bearing meets ISO P6 tolerance class and JIS Class 6 precision standards, ensuring reliable performance under axial loading conditions.
The NACHI 51101 thrust ball bearing structure employs a steel or brass cage to maintain ball stability at high speeds. Its axial load capacity reaches up to 9.6 kilonewtons, and its permissible rotational speed is around 7000 rpm. Lubrication is achieved with lithium-based grease or ISO VG 46 industrial oil to minimize heat generation and extend service life. The operating temperature range spans from minus 20 to plus 120 degrees Celsius. This bearing is widely used in pumps, light gearboxes, and precision machinery due to its compact design, low friction, and high operational efficiency.
WEBSITE: NACHI thrust ball bearing 51101 Iran
