Product Introduction

The 30311 / 190003326333 Angular Tooth External Bearing is a high-quality tapered roller bearing designed for SINOTRUK Steyr heavy-duty truck axle systems. It is mainly used in axle drive and differential assemblies to support rotating components, maintain precise gear positioning, and ensure stable transmission performance under heavy-duty operating conditions.

Manufactured according to OEM standard quality requirements, this bearing is produced using high-strength bearing steel and precision machining technology to provide excellent impact resistance, wear resistance, and long service life. The tapered roller bearing structure is designed to handle combined radial and axial loads, making it suitable for heavy trucks operating under high torque and demanding road conditions.

The 30311 / 190003326333 bearing is commonly applied in SINOTRUK Steyr axle systems, supporting axle rotating components and helping reduce friction, improve drivetrain stability, and extend the service life of related chassis parts. It is widely used in heavy transportation vehicles, construction trucks, and commercial fleet maintenance applications.

As an aftermarket replacement part, this angular tooth external 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 fitment, and long service life for SINOTRUK Steyr truck maintenance requirements.

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