
HITACHI EX200 carrier roller/excavator upper roller factory supply direct/OEM manufacture-high quality spare part
Product Specifications
Heavy-Duty Construction – Made from high-quality steel to endure heavy loads and abrasive conditions.
Sealed & Lubricated Design – Includes robust seals to prevent dirt, water, and debris from entering the bearing system.
Precision Bearings – Ensures smooth rotation and reduces wear on the track chain.
Compatibility – Designed specifically for Hitachi EX200 excavators (confirm exact model variant, as some differences may exist between EX200-1, EX200-2, EX200-3, etc.).
Abnormal Noises – Squeaking, grinding, or knocking sounds from the undercarriage.
Track Misalignment – Uneven wear on the track links or excessive side movement.
Leaking Grease – Damaged seals allowing lubricant to escape.
Excessive Play or Stiff Rotation – Indicates bearing wear or lack of lubrication.
Replacement Considerations:
Verify Compatibility – Ensure the roller matches your EX200’s exact model (e.g., EX200-2, EX200-3, etc.).
Check Other Undercarriage Components – Inspect sprockets, idlers, and lower rollers for wear.
Proper Installation – Follow torque specs and alignment procedures to avoid premature wear.
OEM vs. Aftermarket Options – OEM rollers ensure exact fit, while aftermarket may offer cost savings (choose reputable brands).
If you need help identifying the correct part number or installation tips, let me know your EX200’s exact model and serial number, and I can assist further!