Description
CAT 2S-4364 25.4mm Thickness Final Drive Retainer
| CAT 2S-4364 25.4mm Thickness Final Drive Retainer |
| CAT 491-2038 BEARING-RLR-GD |
| CAT 521-6757 BEARING–SEM |
| CAT 533-9333 SLEEVE |
| CAT 170-9998 BEARING |
| CAT 535-6330 BUSHING-SEM |
| CAT 453-2348 SLEEVE |
| CAT 314-8728 TRUNNION-GD |
The CAT 2S-4364 is a Caterpillar original heavy-duty axle retainer (retaining ring/locating ring), suitable for the final drive, wheels, and braking assemblies of tracked excavators, loaders, and other equipment. Its core function is to axially locate the reaction hub, bearings, and other components on the spindle, preventing displacement during operation and ensuring the stability of the transmission and braking systems.
Core Technical Parameters
Item Details
Part Model: CAT 2S-4364 Fixture (Shaft Retaining Ring / Positioning Ring)
Material: High-strength alloy steel, surface hardened + blackened / galvanized, impact resistant, wear resistant, corrosion resistant, suitable for heavy-duty working conditions
Key Dimensions: Outer diameter approx. 140-160mm, inner diameter approx. 100-120mm, thickness approx. 12-15mm, weight approx. 3.04kg (6.7 lbs), length approx. 279.4mm (11 in), width approx. 35.6mm (1.4 in)
Compatible Machines: Excavators 320D/336D, Loaders 950K/966K, Tracked Bulldozers D6N/D7E, etc., used for final drive spindle reaction hub positioning, axial fixing of bearings in wheels and brake assemblies, etc.
Performance Characteristics High-strength materials are suitable for heavy-duty and impact conditions; surface hardening treatment improves wear resistance and fatigue life; precise dimensions ensure assembly accuracy and interchangeability, preventing axial movement of components.
Core Functions and Structure
Axial Positioning and Anti-Movement: Installed at the end or shoulder of the shaft, it precisely positions reaction hubs, bearings, and other components, preventing axial displacement during operation and avoiding component wear, jamming, or transmission failure.
Load Transfer and Limitation: Bears axial loads, evenly distributes stress, protects the shaft system and bearings, prevents component damage caused by axial forces, and maintains system operational accuracy.
Easy Assembly and Maintenance: Standardized design facilitates quick installation and replacement, adapts to equipment maintenance procedures, and shortens downtime.
Installation and Maintenance Points
Installation Specifications
Clean the shaft surface, mounting groove, and retainer to remove oil, rust, and impurities. Check the shaft and groove for deformation and scratches, ensuring a proper fit.
Use dedicated snap ring pliers or pressing tools for installation. Avoid forceful hammering to prevent deformation or breakage of the retainer. After installation, check the axial clearance to ensure no looseness and accurate positioning.
Tighten the matching bolts (if applicable) according to the torque requirements in the equipment manual to prevent loosening.
Maintenance Recommendations: Every 1000-1500 working hours, check the following: For cracks, deformation, and wear on the retainer; ensure the surface coating is intact; and check for loose bolts.
If damage to the retainer or excessive clearance is found, replace it immediately to prevent damage to critical components such as the spindle and bearings, and to avoid expanding the scope of the failure.
