Buy HITACHI EX200-3-5 SWING DEVICE SLEW BOX BOTTOM SPHERICAL BEARING (BIG) (OEM HI 4281798) | Tonkee®

Material Composition: This bearing is typically constructed from high-quality steel or alloy materials to ensure durability and resistance to wear and tear.

These materials are chosen for their ability to withstand heavy loads and harsh working conditions commonly encountered in construction and excavation applications.

Design and Dimensions: The bearing is designed to fit precisely within the swing device slew box of the Hitachi EX200-3-5 excavator. Its spherical shape allows for multidirectional movement, ensuring that the upper structure of the excavator can pivot smoothly. The specific dimensions, such as the inner and outer diameters and thickness, are engineered to meet the manufacturer's specifications.

Load-Bearing Capacity: The bottom spherical bearing is engineered to support significant loads. It must be capable of withstanding the weight of the excavator's upper structure, attachments, and any additional loads imposed during heavy-duty operations.

Sealing and Lubrication: Proper sealing mechanisms and lubrication points are critical to maintaining the longevity and functionality of the bearing.

The bearing may incorporate seals or shields to prevent contamination from dirt, debris, and moisture, which can accelerate wear and reduce bearing life. Lubrication channels or fittings ensure that the bearing remains adequately lubricated for smooth rotation.

Installation and Replacement: The Hitachi EX200-3-5 bottom spherical bearing is designed for easy installation and replacement within the swing device slew box. Technicians can follow manufacturer guidelines and use appropriate tools to ensure proper installation, minimizing downtime and maintenance costs.

Compatibility: This bearing is specifically designed for the Hitachi EX200-3-5 series excavators. It is crucial to use OEM parts like this bearing to ensure compatibility and maintain the excavator's performance and safety standards.

Maintenance and Service Life: Regular maintenance, including lubrication and inspection, is essential to extend the service life of the bottom spherical bearing. Depending on usage and operating conditions, it may need periodic replacement to ensure optimal performance.

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