Product Introduction

The NUP311EN / 192311EN Auxiliary Box Intermediate Shaft Bearing is a precision cylindrical roller bearing designed for FAST heavy-duty manual transmissions widely used in SINOTRUK HOWO heavy trucks. It is installed on the auxiliary gearbox intermediate shaft, where it supports both radial loads and limited axial positioning, ensuring smooth and reliable power transmission. FAST gearbox parts catalogs identify 192311E as the cylindrical roller bearing used on the auxiliary (vice) box intermediate shaft.

Manufactured to OEM standards using high-quality bearing steel, this bearing provides excellent load capacity, dimensional accuracy, and wear resistance under demanding operating conditions. Precision heat treatment and machining help reduce friction, improve rotational stability, and extend transmission service life.

Designed as a direct aftermarket replacement, the NUP311EN / 192311EN bearing is suitable for gearbox overhaul, preventive maintenance, and transmission repair. It is widely used in logistics trucks, dump trucks, tractors, construction vehicles, and mining trucks equipped with FAST manual transmissions.

Ideal for transmission repair workshops, truck fleet maintenance companies, distributors, and wholesale spare parts suppliers, this bearing delivers dependable performance, minimizes gearbox downtime, and helps maintain efficient drivetrain operation.

Technical Specifications

Vehicle Fitment

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