CAT E320 320L Upper Carrier Roller for CAT Excavator Undercarriage

CAT E320 320L Carrier Roller Top Upper Track Roller for CAT Excavator Undercarriage

Product Parameter

Working Principle

• Top carrier roller bears full weight of upper track chain, suspend upper track to keep reasonable track tension.
• Roller outer ring rolls along track link inner surface, convert sliding friction into low-loss rolling friction to reduce track wear.
• Dual floating oil seal seals bearing chamber, lock internal lubricant to realize long-term automatic lubrication of spindle rotation.
• Limit upward & lateral displacement of upper track, prevent track sagging, swing and off-track during climbing & rough ground traveling.
• Disperse instantaneous impact load generated from uneven terrain walking to excavator chassis frame.

Product Competitive Advantages

• Equal service lifespan as genuine CAT original part with favorable aftermarket factory-direct price, cut total procurement cost for buyers.
• 1:1 original dimension replication, bolt-on direct installation without any on-site modification, save installation labor expense.
• Deep hardened roller surface plus high-standard floating seal, low failure rate and reduce long-term maintenance replacement cost.
• Strict full inspection before shipment, extremely low oil leakage rate for qualified finished rollers.
• Sufficient spot inventory, tiered discount for bulk order, flexible sea/air/express global delivery options.

FAQ