The Hitachi EX200-1 Excavator Slewing Bearing is a heavy-duty replacement component designed for the upper structure rotation system of Hitachi EX200-1 excavators. As a critical connection between the upper structure and lower frame, the slewing bearing supports the excavator body while allowing smooth and controlled rotation during digging, loading, lifting, and material-handling operations.

Manufactured from high-strength bearing steel, this slewing bearing is designed to withstand substantial radial, axial, and overturning loads generated during excavator operation. Precision machining helps maintain accurate dimensions and proper gear engagement, while controlled heat treatment can improve the strength and wear resistance of the raceway and gear surfaces.

The Durable Hitachi EX200-1 Excavator Slewing Bearing is suitable for construction, earthmoving, quarrying, demolition, and other demanding excavation applications. During operation, the bearing continuously supports the upper structure and transfers loads between the rotating body and lower undercarriage. Excessive clearance, abnormal noise, gear wear, or rough rotation can indicate bearing deterioration and should be checked during routine maintenance.

Public technical references list the EX200-1 slewing bearing with an outside diameter of approximately 1312 mm, inside diameter of 1083.5 mm, overall height of 106 mm, and 92 teeth. These dimensions should be verified against the original bearing before ordering because replacement configurations may vary.

Xiamen Doozer supplies excavator replacement parts for equipment distributors, repair companies, contractors, and heavy machinery dealers. For customers looking for a Hitachi EX200-1 Excavator Slewing Bearing, we can assist with model matching, OEM reference verification, dimensional confirmation, and bulk orders.

Public aftermarket listings identify 9098993 as a Swing Bearing reference for the EX200-1, but customers should verify the original part number and machine serial number before purchase.

With durable construction and precision manufacturing, the EX200-1 Slewing Bearing provides a practical replacement solution for maintaining smooth upper-structure rotation and reliable excavator performance.