Product Introduction

The 30312 / 190003326236 / WG7117030312 Taper Roller Bearing is a high-quality axle bearing designed for SINOTRUK Steyr heavy-duty truck axle systems. It is mainly used in axle drive assemblies and differential systems to support rotating components, maintain precise gear positioning, and ensure reliable power transmission under heavy-load operating conditions.

Manufactured according to OEM standard quality requirements, this tapered roller bearing adopts high-strength bearing steel and precision machining technology to provide excellent durability, impact resistance, and wear resistance. The tapered roller structure is designed to handle combined radial and axial loads, making it suitable for heavy transportation vehicles, construction trucks, and commercial fleet applications.

The 30312 / 190003326236 bearing is commonly applied in SINOTRUK Steyr axle and rear axle drive assemblies. It helps reduce friction between rotating parts, improve drivetrain stability, and extend the service life of differential and axle components during long-distance transportation and high-load operation. SINOTRUK axle catalogs list 190003326236 as a tapered roller bearing used in axle drive systems.

As an aftermarket replacement part, this taper roller bearing is suitable for truck repair workshops, axle maintenance specialists, fleet operators, and wholesale spare parts distributors. It provides a reliable replacement solution with OEM-standard quality, accurate installation, and long service life for SINOTRUK Steyr truck maintenance requirements.

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