Steel E13C Truck Release Bearing MIXER Truck Parts Customized

Product Specification

E13C RELEASE BEARING

Color:Customized

Lead Time:30 days

ISO 9001:2015 certification

In the high-stakes environment of concrete transport, the seamless transfer of power is critical to productivity. The clutch release bearing, often overlooked, is the linchpin of this process—a component that translates pedal pressure into mechanical action, bearing immense axial loads and frictional heat with every gear change. Our Release Bearing E13C is engineered specifically for the rigorous duty cycles of heavy-duty commercial vehicles, particularly concrete mixers. It is not a generic component; it is a precision assembly designed to deliver consistent performance, extended service life, and reliable clutch disengagement under the most demanding operating conditions.

We combine advanced material science, rigorous manufacturing standards, and a deep understanding of driveline dynamics to produce a bearing that meets the exacting requirements of fleet operators and rebuilders who cannot afford downtime.

1. Product Parameter (specification)

Basic Introduction

Model and Purpose: The K13C release bearing is mainly used in the clutch system of vehicles equipped with the Hino K13C diesel engine, such as Hino dump trucks and Hino Profia trucks6. Its main function is to disengage the clutch when the driver steps on the clutch pedal, enabling smooth gear shifting6.

Installation Position: It is typically installed between the clutch pedal and the clutch assembly. When the clutch pedal is depressed, the release bearing moves axially to push against the clutch diaphragm spring or release levers, separating the clutch plates and interrupting the power transmission from the engine to the transmission.

Material: Usually made of high - quality alloy steel or bearing - specific steel, which has excellent wear resistance and fatigue resistance to withstand the high - frequency and high - load operations in the clutch system.

Dimensions: The specific dimensions vary depending on the vehicle model and clutch specifications, but they are designed to fit precisely within the clutch housing of K13C - equipped vehicles and interact correctly with other clutch components.

Finish: Powder Coated

OEM No.:31230-E0050

Replacement: When the release bearing shows significant signs of wear or damage, it should be replaced promptly. It is essential to use genuine or high - quality aftermarket replacement parts and follow the correct installation procedures to avoid any installation - related issues.

Core Product Specifications & Technical Foundation

Our manufacturing philosophy is built on precision and proven engineering principles, ensuring every E13C bearing meets the specifications required for flawless operation.

In-Depth Technical Parameter Analysis & Key Performance Drivers

Understanding the engineering behind the E13C is key to appreciating its reliability.

1. Bearing Core: Axial Load Capacity and Dynamic Performance

Critical Parameter – Dynamic Axial Load Rating (Ca): This defines the axial load the bearing can sustain for a calculated service life (typically based on 1 million revolutions). For a release bearing in a heavy-duty application, this rating must be substantial to handle the force of the diaphragm spring. A robust E13C bearing will have a dynamic axial load rating (Ca) in the range of 18-30 kN, depending on its exact size and internal design.

Key Influencing Factor – Internal Geometry and Steel Quality: The load rating is predominantly determined by the size, number, and arrangement of the rolling elements and the material quality of the bearing rings. We utilize high-carbon chromium bearing steel (like SAE 52100), subjected to precise heat treatment to achieve a core hardness of 58-62 HRC on the raceways. This ensures the bearing can handle repeated high-stress cycles without premature fatigue (spalling).

2. Carrier/Sleeve: The Role of PA66+25%GF

Dimensional Stability Under Thermal Load: The clutch compartment is a hot environment. The 25% glass fiber reinforcement is the critical additive. It dramatically reduces the polymer's coefficient of thermal expansion, ensuring the carrier does not bind on the transmission input shaft sleeve as temperatures rise. This prevents clutch drag—a condition where the clutch fails to fully disengage.

Wear and Friction Optimization: The constant interaction with the clutch fork requires a material with low friction and high abrasion resistance. The glass fibers enhance the base polymer's wear properties, while the material's inherent lubricity ensures smooth fork movement, contributing to consistent clutch pedal feel.

2. Production details