(P/N:123-1379,152-4128,178-7293,CR6590)CATERPILLAR-E345/349Track roller/Quanzhou track roller factory in China/DPW-parts
Product Specifications
(P/N:123-1379,152-4128,178-7293,CR6590)CATERPILLAR-E345/349Track roller/Quanzhou track roller factory in China/DPW-parts.
Track rollers are essential components in various types of machinery, particularly in construction, agriculture, and material handling equipment. They are designed to support and guide the movement of tracks on track-driven machines like excavators, bulldozers, and crawler loaders.
Types of Track Rollers
Bottom Rollers (Lower Rollers) – Support the weight of the machine and roll along the underside of the track chain.
Top Rollers (Upper Rollers) – Guide the track chain and keep it aligned on the undercarriage.
Front Idlers (Guide Rollers) – Positioned at the front of the track frame to help steer and maintain track tension.
Rear Sprockets (Drive Rollers) – Driven by the final drive to propel the machine.
Functions of Track Rollers
Support Machine Weight – Distribute the load evenly across the track.
Reduce Friction – Allow smooth movement of the track chain.
Maintain Track Alignment – Prevent derailment and excessive wear.
Absorb Shock Loads – Help cushion impacts from rough terrain.
Common Materials & Construction
Hardened Steel – For durability and resistance to wear.
Sealed & Lubricated Bearings – To extend service life in harsh conditions.
Rubber-Coated Rollers – Used in applications requiring reduced noise and vibration.
Signs of Worn Track Rollers
Uneven track wear
Excessive noise or vibration
Visible cracks or flat spots
Leaking grease from seals
Misalignment of the track
Maintenance Tips
Regularly inspect for wear and damage.
Keep rollers properly lubricated (if applicable).
Replace rollers in sets to ensure balanced performance.
Clean debris from the undercarriage to prevent premature wear.
Would you like recommendations for specific brands or replacement parts?
