China undercarriage manufactures large spare parts-SANY-SY950 Carrier Roller assembly -cqctrack – rollers factory in quanzhou,China.

The SANY SY950 Track Carrier Roller Assembly (Ass’y) is a vital undercarriage component that supports the excavator’s weight and guides the track chain, ensuring smooth operation and reduced wear.

Key Features & Specifications:

✔ Compatibility: Designed for SANY SY950 crawler excavators (verify exact model variant).
✔ Material: High-strength forged steel or alloy for durability under heavy loads.
✔ Sealing System: Multi-layered lip seals or labyrinth design to block dirt, mud, and moisture.
✔ Lubrication: Pre-greased and may include a maintenance-free design (check OEM specs).
✔ Bearing Type: Heavy-duty tapered roller bearings for longevity.

Signs of a Worn-Out Carrier Roller:

⚠ Abnormal Noises – Squeaking, grinding, or rumbling from the undercarriage.
⚠ Uneven Wear – Flat spots, cracks, or excessive play when manually rotated.
⚠ Grease Leaks – Failed seals allow contaminants to enter, damaging bearings.
⚠ Track Misalignment – Improper tracking or derailment risks.

Replacement Guidelines:

1. Verify Part Number: Cross-check with SANY’s OEM catalog (e.g., “SY950-5M1230″ format may vary).
2. Inspect Adjacent Parts: Check sprockets, idlers, and track links for wear.
3. Torque Specifications: Follow OEM guidelines when installing bolts.
4. Replace in Pairs: For balanced performance, replace left/right rollers simultaneously.

Where to Source:

• OEM (SANY Parts Dealers) – Best for warranty and exact fit.
• Aftermarket Brands – CQC-TRACK (compare dimensions/seal types).
• Local Undercarriage Specialists – May offer rebuilt or certified used options.

Need Assistance?
Provide your machine’s serial number or exact model (e.g., SY950C, SY950H) for precise part matching. I can also help locate suppliers in your region!