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CAT E320 320L Upper Carrier Roller for CAT Excavator Undercarriage

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CAT E320 320L Upper Carrier Roller for CAT Excavator Undercarriage

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Colour : Yellow or Black or Customer Required

Machine Model : Customer Request

Model Number : E320

Place of Origin : China

Payment Terms : L/C,T/T,Western Union

Supply Ability : 10000pcs/month

Weightcapacity : Supports heavy loads

Delivery Time : 1-7 days

Packaging Details : Wooden Pallet

Brand Name : MSGB

MOQ : 4

Price : Negotiable

Colors : Black or yellow

Condition : 100% new

Product Process : Appropriate Quenching

Excavator Type : Crawler Excavator

Countryoforigin : China

Compatibility : Fits various excavator models

Application : For Excavator Undercarriage Parts

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

Product Parameter

English Item Technical Data
Product Name CAT E320/320L Carrier Roller / Top Roller
Applicable Model CAT E320,320L,E320B/E320C/E320D
Raw Material 40Mn2 High Manganese Alloy Forged Steel
Rolling Surface Hardness HRC55~60, Hardened Depth ≥4mm
Main Shaft Material 50Mn Quenched Solid Integral Shaft
Sealing Configuration Double Floating Oil Seal + NBR Sealing Ring

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.
CAT E320 320L Upper Carrier Roller for CAT Excavator Undercarriage

FAQ

Q1: Which excavator model fits this carrier roller?

A1: Perfect match for CAT E320,320L,E320B/E320C/E320D excavator.

Q2: Is it direct replacement for original CAT top roller?

A2: Yes,1:1 OEM dimension, bolt-on installation without modification.

Q3: What’s the roller body material & hardness?

A3: 40Mn2 forged steel, rolling surface HRC55~60 with ≥4mm hardened layer.

Q4: Can I order small sample & bulk wholesale?

A4: Sample order acceptable, bulk purchase gets preferential tiered pricing & fast delivery.


Product Tags:

CAT 320L Upper Carrier Roller

      

Excavator Undercarriage Upper Carrier Roller

      

CAT E320 Top Upper Track Roller

      
Buy cheap CAT E320 320L Upper Carrier Roller for CAT Excavator Undercarriage product

CAT E320 320L Upper Carrier Roller for CAT Excavator Undercarriage Images

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