Product Introduction

The 42308E / NJ308E FAST Gearbox Transmission Bearing is a precision cylindrical roller bearing developed for FAST manual transmissions widely used in SINOTRUK HOWO heavy-duty trucks. It is designed to provide reliable support for gearbox shafts, ensuring accurate shaft positioning, smooth gear meshing, and efficient power transmission under heavy-load operating conditions.

Manufactured to OEM quality standards from premium bearing steel, this bearing features precision grinding, optimized roller geometry, and advanced heat treatment technology. It delivers outstanding radial load capacity, excellent wear resistance, low friction, and high rotational stability, helping to reduce gearbox vibration and improve transmission efficiency during long-term operation.

Designed as a direct aftermarket replacement, the 42308E / NJ308E bearing is suitable for FAST gearbox overhaul, preventive maintenance, and transmission repair. It is widely applied in heavy-duty tractors, cargo trucks, dump trucks, engineering vehicles, and mining trucks equipped with FAST manual transmissions.

With OEM-quality manufacturing and reliable durability, this transmission bearing helps extend gearbox service life, minimize maintenance costs, and improve drivetrain reliability. It is an ideal choice for truck repair workshops, fleet maintenance companies, distributors, and wholesale truck spare parts suppliers. The bearing dimensions are 40 × 90 × 23 mm.

Technical Specifications

Vehicle Fitment

Payment & Shipping

Related Products Categories

Engine Parts System

Transmission & Drivetrain Parts

Chassis & Suspension Parts

Cabin & Body Parts