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Excavator Undercarriage Parts Track Carrier Roller for E320 E323 E324
Optimize the stability and track performance of your CAT excavator with this premium carrier roller (top roller), engineered as a direct OEM replacement for CAT E320, E323, and E324 series excavators. As a critical undercarriage component, this roller supports the upper track chain, prevents sagging, and ensures smooth, efficient track movement during operation. Built with hardened alloy steel and precision-sealed bearings, it withstands heavy loads, impact, and abrasive conditions, extending service life and minimizing downtime. Every roller undergoes rigorous quality testing to guarantee consistent performance in construction, mining, and earthmoving applications.
Core Selling Points
✅ Exact OEM Fit for CAT E320/E323/E324
Precision-machined to match the original CAT dimensions, shaft length, and bearing configuration. It installs seamlessly without modifications, ensuring perfect track alignment and optimal undercarriage performance.
✅ Heavy-Duty Industrial Construction
Forged from high-grade alloy steel with deep heat treatment, these rollers offer exceptional hardness (HRC 55–60) and wear resistance. The precision-ground surface reduces track wear, while the reinforced housing resists impact and deformation.
✅ Advanced Sealing & Lubrication
Equipped with a double lip seal system and factory-greased bearings, these rollers prevent water, dust, and debris ingress, eliminating premature bearing failure. The hermetic seal maintains lubrication even in wet or muddy conditions.
✅ Long-Lasting & Cost-Effective
Engineered to outlast standard aftermarket rollers by 2–3 times, reducing replacement frequency and lowering maintenance costs. Each unit is backed by a 6-month manufacturer warranty.
Category
Parameter
Specification
General Information
Product Type
Track carrier roller (top roller)
Compatible Models
CAT E320, E323, E324 Excavators
Condition
New aftermarket unit, 100% tested
Certification
ISO 9001:2015 quality certified
Warranty
6-month comprehensive manufacturer warranty
Construction & Material
Roller Body Material
High-strength alloy steel (40MnB)
Surface Hardness
HRC 55–60 (quenched and tempered)
Shaft Material
45# steel with induction hardening
Bearing Type
Double-row tapered roller bearing
Seal Type
Double lip oil seal
Grease Type
High-temperature lithium-based grease
Performance Parameters
Static Load Capacity
25–30 kN
Operating Temperature Range
-30°C to 80°C
Maximum Operating Speed
6 km/h
Service Life
3000+ hours under normal working conditions
Installation Specifications
Mounting Type
Direct bolt-on replacement
Center Shaft Length
Matches OEM specifications
Outer Diameter
Matches CAT E320/E323/E324 OEM dimensions
Net Weight
~8–10 kg per unit
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Distributor/Wholesaler,Trading Company
Year Established:
2008
Total Annual:
10000000¥-100000000¥
Employee Number:
50~150
Ecer Certification:
Verified Supplier
Guangzhou Lanxin Machinery Equipment Co., Ltd., established in 2008, is a professional supplier of excavator parts and mining equipment parts located in Guangzhou, Guangdong Province, China. Focusing on engineering components, and leveraging 18 years of professional experience in the construction ma... Guangzhou Lanxin Machinery Equipment Co., Ltd., established in 2008, is a professional supplier of excavator parts and mining equipment parts located in Guangzhou, Guangdong Province, China. Focusing on engineering components, and leveraging 18 years of professional experience in the construction ma...