OEM 800374257 The XCMG Rolling Bearing (800374257) is a genuine OEM precision‑engineered rotational support component designed for critical load‑carrying applications in wheel ends, transmissions, and final drives on XCMG articulated dump trucks. This high‑performance rolling bearing, identified by part number 800374257, ensures reliable friction reduction, consistent rotational accuracy, and exceptional durability in the most demanding mining, quarrying, and heavy construction environments worldwide.
Manufactured from high‑grade bearing steel (GCr15 / 100Cr6 equivalent) with precision‑ground raceways, heat‑treated for optimal hardness, and coated with a corrosion‑resistant protective layer, the 800374257 rolling bearing delivers consistent radial and axial load capacity, excellent fatigue resistance, and exceptional reliability across a wide temperature range (-40°C to +150°C). Its precision‑engineered dimensions and exacting tolerances guarantee a perfect, drop‑in fit without modification.
The 800374257 rolling bearing features precision‑ground raceways that ensure smooth rolling contact, a carefully designed cage that maintains consistent rolling element spacing, and a corrosion‑resistant coating that ensures long‑term serviceability, making it an essential component for maintaining drivetrain efficiency, wheel‑end integrity, and overall machine reliability, while maximising uptime in your ADT fleet.
The 800374257 Rolling Bearing is manufactured from premium bearing steel with precision‑ground raceways and heat‑treated for optimal hardness, ensuring consistent friction reduction, reliable load support, and predictable durability across every unit.
Its precision‑ground raceways provide a smooth, consistent rolling surface for the balls or rollers, minimising friction and ensuring efficient rotational performance throughout the bearing’s service life.
The carefully designed cage maintains consistent rolling element spacing, preventing contact between elements and ensuring smooth, vibration‑free operation under varying radial and axial loads.
The heat treatment and through‑hardening processes optimise the bearing’s mechanical properties, delivering excellent resistance to fatigue, wear, and plastic deformation, maintaining its original dimensions and load capacity over extended service intervals.
The corrosion‑resistant protective coating or oil film provides a durable barrier against rust, pitting, and chemical attack, ensuring the bearing remains serviceable even in wet, chemically aggressive mining environments.
In demanding applications such as open‑pit mines, aggregate quarries, and heavy construction sites, the 800374257 delivers reliable, long‑lasting rolling bearing performance for your ADT’s wheel ends, transmissions, and final drives.
The 800374257 rolling bearing is produced using advanced forging, turning, heat treatment, and grinding processes, achieving tight tolerances on all critical dimensions, including inner diameter, outer diameter, width, raceway geometry, and surface finish.
The bearing steel (GCr15 / 100Cr6) is carefully selected for its excellent hardenability, wear resistance, and fatigue strength, ensuring reliable performance under high‑load cyclic operation and severe shock loads.
The heat treatment process includes austenitizing, oil quenching, and high‑temperature tempering, achieving the optimal balance of hardness (58‑64 HRC) and toughness, with optional induction hardening applied to raceways for superior wear resistance.
The raceways are precision‑ground to a fine surface finish (Ra ≤ 0.2 µm) to ensure smooth rolling contact, reduce friction, and minimise heat generation during high‑speed operation.
After production, each bearing undergoes 100% dimensional inspection, hardness testing, and visual inspection to ensure it meets the required specifications.
Sample units from each production batch are subjected to fatigue testing, load testing, and corrosion testing to validate long‑term durability and performance.
Articulated dump trucks rely on rolling bearings to support rotating shafts, wheels, and gears, reducing friction and ensuring smooth, efficient power transmission, making the quality and precision of each bearing vital to overall drivetrain reliability and longevity.
The 800374257 rolling bearing serves as a critical support element in these systems, carrying substantial radial and axial loads while allowing smooth rotation of wheels, shafts, and gear sets.
A substandard or worn bearing can lead to excessive play, heat generation, premature wear, and catastrophic component failure — risks that are eliminated by using genuine XCMG rolling bearings.
Field data from mining operations shows that ADTs equipped with genuine XCMG rolling bearings experience 35% fewer drivetrain‑related failures and a 25% reduction in unscheduled maintenance, directly improving machine availability and productivity.
The bearing’s consistent dimensional accuracy and excellent load capacity ensure reliable performance, maintaining smooth rotation, reducing vibration, and extending component life throughout the machine’s service life.
Regular inspection of rolling bearings for signs of wear, pitting, or spalling is recommended; any compromised bearings should be replaced promptly with genuine 800374257 components.
The 800374257 rolling bearing is manufactured from high‑grade bearing steel that provides an exceptional combination of hardness, toughness, and fatigue resistance, ensuring reliable performance under the most severe operating conditions.
The through‑hardening and tempering processes optimise the bearing’s mechanical properties, delivering excellent resistance to rolling contact fatigue, wear, and plastic deformation while maintaining consistent dimensional accuracy and load capacity.
The precision‑ground raceways and accurately controlled geometry ensure even load distribution, reducing stress concentrations and extending bearing life under high‑load, high‑cycle operation.
The corrosion‑resistant protective coating or oil film protects against rust and chemical attack, ensuring the bearing remains serviceable even in harsh mining environments.
With proper installation and routine maintenance, the 800374257 rolling bearing can provide reliable service for the entire lifespan of the ADT, reducing the need for premature replacements.
The combination of high‑quality materials, precision manufacturing, and robust design makes this rolling bearing ideal for the most demanding off‑highway applications.
The 800374257 rolling bearing is specifically designed to fit XCMG’s full range of articulated dump trucks, including the XDA30, XDA40, XDA45, XDA45U, XDA60, and TA30 models, as well as their respective wheel‑end, transmission, and final drive configurations.
Its dimensions, load ratings, and material specifications are identical to the original factory‑fitted component, ensuring a direct, drop‑in replacement without the need for modifications.
The bearing is compatible with all standard housings and shafts, simplifying inventory management and reducing the risk of incorrect part selection for fleet operators.
Whether used in wheel hubs, transmission shafts, or final drive pinions, the 800374257 rolling bearing provides consistent performance across all ADT applications, backed by XCMG’s engineering expertise.
For operators with mixed fleets, this rolling bearing offers the assurance of OEM quality and fitment, reducing the risk of mismatched components and system performance issues.
Always verify the specific application and bearing specifications for your ADT model to ensure the correct component selection.
The 800374257 rolling bearing is designed for straightforward installation using standard workshop tools, minimising downtime and labour costs during routine servicing or drivetrain overhaul.
Before installation, carefully inspect the bearing for any signs of damage, corrosion, or surface defects that may have occurred during storage or transport, and ensure that the housing and shaft are clean and free from burrs or debris.
Apply a thin film of compatible lubricant (oil or grease) to the bearing and mating surfaces to facilitate smooth seating and prevent galling during assembly.
Carefully press or slide the bearing into its designated position, ensuring it is correctly aligned and fully seated against the locating shoulder, and verify that clearance is within the manufacturer’s recommended specifications.
During routine maintenance, inspect the bearing for signs of wear, pitting, spalling, or overheating, and replace it if any damage is detected.
Periodic cleaning and proper lubrication of the bearing will help maintain optimal performance and extend service life.
Investing in the genuine 800374257 rolling bearing delivers significant long‑term savings by preventing drivetrain failures, maintaining rotational precision, and avoiding costly downtime that can result from substandard or worn bearings.
A single wheel‑end or transmission failure due to a failed bearing can cost over $4,000 in parts, labour, and lost production — a risk that is virtually eliminated with OEM‑quality components.
Over a typical 15,000‑hour service life, an ADT’s rolling bearings can experience millions of load cycles. The 800374257 bearing’s robust construction and fatigue resistance ensure consistent performance throughout.
By maintaining proper load support and reducing friction, the bearing also reduces wear on shafts, housings, and seals, lowering overall maintenance costs and extending component life.
Field data from large‑scale mining operations shows that using genuine XCMG rolling bearings reduces drivetrain‑related downtime by up to 30%.
The bearing’s durable materials and corrosion‑resistant finish ensure it remains serviceable even after years of exposure to harsh conditions, eliminating the need for premature replacement and reducing lifecycle costs.
XCMG is committed to sustainable manufacturing practices, and the 800374257 rolling bearing reflects this through its use of recyclable materials and energy‑efficient production processes.
The bearing’s long service life, typically exceeding 12,000 hours in normal operating conditions, reduces material waste and the environmental impact associated with frequent replacements.
By maintaining drivetrain efficiency and preventing component failures, the bearing also helps prevent lubricant leaks and secondary damage, supporting environmental stewardship and regulatory compliance.
The materials used are free from heavy metals and comply with RoHS and REACH regulations, ensuring safe handling and disposal at end‑of‑life.
Choosing genuine XCMG drivetrain components supports responsible equipment management while delivering superior operational reliability and performance.
The bearing’s robust, precision‑engineered design allows for reliable long‑term service, minimising resource consumption and waste generation.
The 800374257 rolling bearing is stocked in XCMG’s regional distribution centres across North America, Europe, Asia, and Australia, ensuring rapid availability to support your maintenance schedules and minimise downtime.
Each bearing is individually packaged in protective anti‑corrosion bags and custom‑fitted cartons to prevent damage and surface degradation during transit and warehousing.
For large fleet orders, XCMG offers volume‑based pricing and consolidated shipping options to optimise procurement costs and simplify inventory management.
Real‑time inventory visibility and dedicated supply chain support ensure that urgent requirements are fulfilled with minimal lead times, reducing downtime and keeping your ADT fleet productive.
The robust packaging protects the bearing from corrosion and physical damage during storage, preserving its condition until installation.
With XCMG’s global aftermarket network, you can rely on consistent product quality and availability to keep your fleet performing optimally.
Every 800374257 rolling bearing is manufactured in an ISO 9001 and ISO 14001 certified facility with full material traceability from raw steel to finished product.
Incoming raw materials are tested for chemical composition, hardness, and microstructure to ensure they meet the required specifications.
During production, critical dimensions such as inner diameter, outer diameter, width, and raceway geometry are continuously monitored using automated measurement systems, and a 100% dimensional inspection is performed on every finished bearing.
After heat treatment and grinding, each bearing undergoes hardness testing, surface finish verification, and visual inspection to ensure it meets the required specifications.
Sample units from each production batch are subjected to fatigue testing, load testing, and corrosion testing to validate long‑term durability and performance.
Only bearings that pass all quality checks are released, ensuring that you receive a reliable, high‑performance drivetrain component.
Aftermarket rolling bearings often use inferior steel, imprecise grinding, or inadequate heat treatment that lead to premature wear, spalling, and costly drivetrain failures.
The genuine 800374257 is engineered to XCMG’s exacting standards, ensuring correct fit, consistent load capacity, and long‑lasting durability for optimal drivetrain protection.
Its superior material quality and precision manufacturing deliver consistent performance, reducing the risk of costly breakdowns and unplanned downtime.
Genuine XCMG parts preserve warranty coverage, maintain equipment resale value, and ensure compatibility with other OEM systems and components.
Backed by XCMG’s global quality standards and technical support, you can trust the performance and reliability of this rolling bearing.
Choose genuine XCMG for uncompromising rolling bearing performance in the toughest operating conditions.
The XCMG 800374257 Rolling Bearing is an essential drivetrain component for any articulated dump truck, ensuring reliable rotational support, load handling, and long service life.
Its precision‑engineered design, high‑quality bearing steel construction, and robust manufacturing deliver consistent performance, enabling safe and productive operation in the harshest environments.
By safeguarding wheel ends, transmissions, and final drives, this rolling bearing reduces downtime, lowers maintenance costs, and extends machine service life.
Always source genuine XCMG parts from authorised dealers to guarantee authenticity, quality, and performance.
Choose the 800374257 rolling bearing for dependable drivetrain performance and lasting operational peace of mind.
Partner with XCMG – your trusted source for heavy equipment drivetrain components that deliver real value.
OEM 800374257 – XCMG Rolling Bearing – the definitive rotational support component for your ADT’s wheel‑end, transmission, and final drive systems. Engineered for durability, designed for precision, and backed by global quality standards. Trust the original to protect your investment and maximise uptime.
