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{"title":"High Durability PC200-7 KOMATSU Upper Roller Standard Maintenance Free","imgUrl":"https:\/\/img.chinax.com\/nimg\/ad\/20\/2814eb58695ab333cad0b06d01f0-200x200-1\/high_durability_pc200_7_komatsu_upper_roller_standard_maintenance_free.jpg","attrs":{"Brand Name":"YT","Model Number":"PC200-7","Place of Origin":"China","Minimum Order Quantity":"1 PCS"}}
{"title":"OEM Track Carrier Rollers for Excavators and Bulldozers at Competitive Prices","imgUrl":"https:\/\/img.chinax.com\/nimg\/b8\/75\/38a3b91204b863462d4ecb5a9341-200x200-1\/oem_track_carrier_rollers_for_excavators_and_bulldozers_at_competitive_prices.jpg","attrs":{"Material":"50Mn Steel","Technique":"Casting","Quality":"Heat Treatment HRC 40-55","HRC Depth":"4-10 mm"}}
{"title":"SK200 KOBELCO Track Carrier Rollers 4-10 Mm HRC Depth With High Performance","imgUrl":"https:\/\/img.chinax.com\/nimg\/ad\/4d\/a194e71307b7c715a80cfb71ea0f-200x200-1\/sk200_kobelco_track_carrier_rollers_4_10_mm_hrc_depth_with_high_performance.jpg","attrs":{"Brand Name":"YT","Model Number":"SK200","Place of Origin":"Fujian, China","Minimum Order Quantity":"1PCS"}}
Sumitomo Excavator Undercarriage Spare Parts SH200 Heat Treatment Heavy Duty Top Roller Upper Roller Carrier Roller
About Carrier Rollers
Carrier rollers are critical components of undercarriages, responsible for supporting both the conveyor belt and the weight of transported materials. Their quality directly impacts the service life of excavators and bulldozers.
For belt conveyors, rollers account for 35% of total cost and generate over 70% of operational resistance, making quality particularly vital. Available in steel and plastic materials.
Material & Manufacturing Process
Our carrier rollers use high-grade materials including 40Mn2, 40MnB, and 50Mn, processed through:
Precision forging
Normalization
Overall heat treatment
This achieves surface hardness of HRC52-60 and hardened layer depth over 7-10mm (HRC45), ensuring exceptional durability and wear resistance.
Performance Features
Forged for Tough Conditions
Crafted from high-strength alloy steel via advanced hot-forging, our carrier rollers withstand extreme loads and impacts, performing reliably in mining and construction applications.
Precision Engineering
Precision-designed for flawless track alignment, reducing friction and wear while extending undercarriage life by 40% versus traditional models.
Maintenance Optimized
Features sealed lubrication and tool-free disassembly, reducing maintenance time by 30% and extending service intervals.
Factory Direct Benefits
OEM-Grade Quality
Meets or exceeds original equipment specifications for seamless compatibility and optimal performance.
Cost Savings
Up to 30% lower costs by eliminating middlemen and distributor markups.
Fast Global Delivery
Guaranteed dispatch within 25 days worldwide to minimize downtime.
Comprehensive Support
24/7 technical assistance and 12-month warranty for complete peace of mind.
Installation Dimensions
Quality Assurance
Our Advantages
World-class quality standards
Factory-direct pricing
Flexible payment terms (T/T, L/C)
Fast delivery within 30 days
Comprehensive after-sales support
With over 30 years of manufacturing experience, we guarantee superior quality and exceptional performance for all our undercarriage components.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2011
Total Annual:
10Million-20Million
Employee Number:
50~100
Ecer Certification：
Verified Supplier
XIAMEN YINTAI MACHINERY CO., LTD. is loed in the beautiful port city of Xiamen. It is a manufacturing enterprise which is focusing on research and development, production and trade of construction machinery parts.
YinTai cooperates with Chinese famous large steel mills, such as Fujian S...
XIAMEN YINTAI MACHINERY CO., LTD. is loed in the beautiful port city of Xiamen. It is a manufacturing enterprise which is focusing on research and development, production and trade of construction machinery parts.
YinTai cooperates with Chinese famous large steel mills, such as Fujian S...
