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3s-9643
CAT
3s-9643
This Heavy-Duty Oil Seal is a core sealing component specifically engineered for the extreme conditions of mining exploration and drilling equipment. It integrates a Brass-Plated Carbon Steel Case with Premium NBR Rubber through a high-pressure vulcanization process. Designed to withstand intense friction, shock vibrations, and dust erosion from high-speed drill rig shaft systems, it serves as the critical barrier preventing hydraulic leaks and protecting expensive transmission bearings.
Brass-Plated Carbon Steel Case – Unyielding Support:
The outer case is constructed from high-strength carbon steel with a Brass-Plated Finish. This not only provides exceptional corrosion resistance but, more importantly, significantly enhances the chemical bonding strength between the metal and rubber. This prevents the common failure mode of "case-rubber separation" and ensures structural integrity under the severe vibrations of mining operations.
Premium NBR Rubber – Elasticity and Oil Resistance:
The sealing lip is molded from high-quality Nitrile Butadiene Rubber (NBR), offering superior resilience and resistance to compression set. It maintains a tight, conformable contact with the rotating shaft to prevent leakage. The material exhibits excellent chemical stability against mineral oils, ensuring it does not swell or degrade when exposed to hydraulic oil or gear oil.
Wide Temperature Tolerance:
Engineered for reliability in diverse climates, the seal performs consistently across a temperature range of -40°C to +120°C. Whether starting up in freezing cold mines or operating under the high heat generated by drilling, the lip remains flexible and effective without hardening or softening.
Precision Manufacturing – Direct Fit:
Manufactured in strict accordance with industry standards for construction machinery seals, this oil seal boasts high dimensional accuracy. It installs easily without specialized tools and fits perfectly into the housing bore, preventing eccentric wear and ensuring immediate operational readiness.
Optimized for Dusty Environments:
Specifically designed for the high-concentration dust found in mining, the seal profile effectively blocks abrasive particles such as sand, grit, and rock debris from entering the machinery. This protects internal bearings and hydraulic systems from destructive wear.
Parameter | Specification |
|---|---|
Product Type | Rotary Shaft Oil Seal (TC / TG4 Type) |
Case Material | Carbon Steel + Brass Plating |
Rubber Material | NBR (Nitrile Rubber) |
Compatible Media | Mineral-based Hydraulic Oil, Gear Oil, Grease |
Temperature Range | -40°C to +120°C |
Max. Shaft Speed | ≤ 15 m/s (Model Dependent) |
Primary Application | Mining Drill Rigs, Excavators, Gearboxes |
Mining Drill Rigs: Rotary head main shaft seals, travel motor reducer seals.
Construction Machinery: Final drive seals for excavators and bulldozers.
Drilling Equipment: Transmission box seals for geological and water well drilling rigs.
Conveyor Systems: Bearing housings for heavy-duty belt conveyors.
Understanding that downtime in mining is costly, every seal is rigorously inspected and tested before shipment. It is designed to be a direct replacement for worn-out components, restoring the integrity of your equipment immediately.
Installation Tip:
To ensure optimal performance, clean the shaft and housing bore thoroughly before installation. Apply a small amount of grease to the sealing lip and use a proper installation sleeve to avoid damaging the rubber lip with sharp edges.
