{"id":7115,"date":"2026-05-09T08:01:00","date_gmt":"2026-05-09T08:01:00","guid":{"rendered":"https:\/\/ql-autoparts.com\/?post_type=product&#038;p=7115"},"modified":"2026-05-09T08:01:01","modified_gmt":"2026-05-09T08:01:01","slug":"1358-302-250-rear-bearing-race-of-main-shaft","status":"publish","type":"product","link":"http:\/\/ql-autoparts.com\/ru\/product\/1358-302-250-rear-bearing-race-of-main-shaft\/","title":{"rendered":"1358 302 250  Rear Bearing Race of Main Shaft"},"content":{"rendered":"<div>Original ZF Rear Main Shaft Bearing Race is integrally forged from high-precision bearing steel and treated by carburizing and quenching for hardening. It features high hardness, excellent compression resistance and impact resistance.<\/div>\n<div><\/div>\n<div>The inner ring raceway is precision ground with high surface finish and low running resistance, achieving an excellent fit with rolling elements.<\/div>\n<div><\/div>\n<div>It can accurately limit the bearing structure and stabilize the assembly clearance at the rear end of the main shaft, eliminating axial play and offset displacement.<\/div>\n<div><\/div>\n<div>With high temperature resistance and fatigue resistance, it is not prone to deformation or peeling, making it suitable for heavy-load climbing and frequent gear shifting conditions.<\/div>\n<div><\/div>\n<div>Original standard dimensions allow direct replacement, effectively reducing gearbox abnormal noise and extending the service life of bearings and shaft parts.<\/div>","protected":false},"excerpt":{"rendered":"<div>\n<div>\n<div>\n<div>\n<div>\n<div>\n<div>\n<div>\n<div>\n<div>\n<div>\n<div>\n<div dir=\"ltr\">\n<div>\n<p>1358 302 250 Rear Main Shaft Bearing Race is a key supporting component of the main shaft assembly for ZF 12TX series 12-speed AMT gearboxes.<\/p>\n<div><\/div>\n<p>It is mainly matched with the rear end bearing and undertakes the functions of raceway support, radial positioning and load distribution.<\/p>\n<\/div>\n<div><\/div>\n<div>Adopting precision turning and mirror surface grinding technology, it features minimal errors in roundness and coaxiality, and avoids eccentric wear and position deviation during long-term operation.<\/div>\n<div><\/div>\n<div>\n<p>With anti-corrosion and strengthening surface treatment, it adapts to complex road conditions such as trunk logistics and engineering heavy-duty transportation.<\/p>\n<div><\/div>\n<p>It effectively prevents problems including loose bearing fit, gear abnormal noise and power jitter.<\/p>\n<div><\/div>\n<p>Adopting original universal specifications, it delivers an excellent fit for maintenance and replacement.<\/p>\n<\/div>\n<div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<div>\n<div>\n<div>\n<div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"featured_media":7096,"template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"%%post_title%%","_seopress_titles_desc":"%%post_excerpt%%","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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