$186,00
90 in stock
The 3128031400 Bearing, also referenced as the 3128 0314 00 BEARING ATLAS COPCO, is a highly engineered precision component designed to support the rotational movement, structural alignment and long-term stability required in Atlas Copco hydraulic drilling systems. This part plays a decisive role in ensuring the smooth rotation of shafts, the reduction of internal friction forces, and the preservation of component geometry under extreme operating loads. Within the demanding world of rock drilling, mining and excavation, bearings are more than simple supporting elements, they are performance-critical assets that directly influence the durability, efficiency and reliability of the entire machine.
Supplied globally by 3GEN Export, this bearing meets exacting OEM-level manufacturing standards and is available with worldwide delivery in 5 working days, making it a dependable replacement option for companies operating in heavy-duty drilling environments.
In the complex mechanical layout of Atlas Copco drilling systems, the bearing is the part that maintains rotational precision, mitigates friction, and prevents premature wear of shafts or supporting housings. The 3128031400 Bearing is engineered to withstand axial loads, radial forces, intermittent shock loads and temperature fluctuations generated during continuous drilling cycles.
The bearing ensures that rotating shafts remain perfectly aligned within their housings. Misalignment leads to vibration, heat damage and long-term fatigue; this precision component counters such issues with engineered tolerances.
The inner and outer surfaces are designed to reduce friction forces during operation. Lower friction translates directly into longer equipment life, smoother cycling and reduced energy consumption.
Rock drilling equipment experiences constant impact loads. The bearing’s metallurgy and structural integrity enable it to absorb these loads effectively without deforming or compromising its geometry.
By reinforcing wear-sensitive areas, the 3128031400 Bearing protects the internal surfaces of the drifter, prolonging the lifespan of the entire hydraulic assembly.
Together, these functions ensure that the drifter system maintains consistent percussion, rotational torque distribution, and drilling accuracy over extended cycles.
The 3128 0314 00 BEARING ATLAS COPCO benefits from carefully controlled manufacturing processes, including precision grinding, hardened raceways, and high-resilience metallurgy. These properties help the bearing maintain stability even under the severe environmental and operational stresses of mining and tunneling applications.
The bearing is produced from alloyed steel formulations that offer superior hardness, fatigue resistance and surface stability. These characteristics ensure that the part remains structurally sound even after thousands of drilling hours.
As drilling components generate significant heat during use, the bearing’s metallurgy resists thermal deformation and prevents warping of raceways.
A corrosion-resistant finish protects the component’s surfaces from moisture, abrasive dust, vibration-induced microcracks and chemical exposure.
The internal surfaces are precision-machined to reduce micro-vibration, enhance rotational consistency and prevent metal-to-metal scoring.
The combination of these features ensures consistent performance in the toughest drilling environments, safeguarding the accuracy and longevity of the entire drifter system.
This bearing is found in the rotation and guidance assemblies of numerous Atlas Copco hydraulic rock drills and related drilling systems. It forms part of the structure responsible for transferring rotational torque, distributing load stresses and stabilizing the interaction between the shaft and the housing.
Rotational mechanisms inside rock drifters
Support housings for percussion assemblies
Load-bearing zones between shafts and cylinder blocks
Internal guiding surfaces within sliding assemblies
Interfaces requiring friction-controlled rotational movement
Because of these roles, selecting the correct bearing, especially one that meets OEM specifications, is vital for maintaining system reliability and preventing cascading component failures.
The 3128 0314 00 BEARING ATLAS COPCO is typically used across several drilling and hydraulic systems, including but not limited to:
COP 1838
COP 1038
COP 1132
COP 1240
COP 1440
COP 1638
COP 1838 ME
Various related Atlas Copco drifter assemblies in the COP series
(Compatibility may vary by sub-model; operators should always verify their drifter schematic before ordering. 3GEN Export provides free compatibility support.)
Without a properly functioning bearing, the entire drilling assembly becomes prone to failures such as overheating, shaft scoring, loss of rotational accuracy and premature wear of expensive components. The 3128031400 Bearing acts as a protective intermediary that enables the entire structure to move freely and precisely.
Significantly extended equipment lifespan
Reduced risk of catastrophic mechanical failures
Optimized fuel consumption due to lower mechanical resistance
Improved drilling accuracy
Lower maintenance hours and downtime
Enhanced rotational consistency
These operational benefits make the bearing a small but critical investment in the long-term performance of Atlas Copco drilling equipment.
Below is a detailed technical overview of the component based on standard engineering values for this class of bearing:
Part Number: 3128031400
Alternative Reference: 3128 0314 00
Component Type: Heavy-duty structural bearing
Material: Hardened alloy steel (precision-machined)
Surface Finish: Anti-corrosion treated, micro-polished raceways
Load Capacity: High axial and radial load resistance
Thermal Performance: Suitable for continuous high-temperature operation
Compatibility: Multiple Atlas Copco COP-series hydraulic drifters
Approximate weight: 0.90 – 1.20 KG
(The exact weight varies slightly depending on batch tolerances.)
Because this bearing is part of the internal rotational mechanism, its dimensional tolerances are extremely tight. The part includes:
Precision inner bore
Uniform outer diameter
Controlled thickness to maintain shaft alignment
Raceways engineered for friction-free rotation
Low vibration due to precision grinding
Stable rotational guidance under demanding loads
Reduced friction coefficients for smoother operation
Long wear life, even in abrasive drilling environments
Although the 3128031400 Bearing is straightforward in concept, its installation must be executed with precision to ensure ideal performance.
Inspect the shaft and housing for scoring or deformation.
Lubricate using manufacturer-approved high-performance grease.
Ensure the bearing seats evenly in its recess with zero tilt.
Avoid impact installation to prevent raceway distortion.
Tighten all retaining components with calibrated torque tools.
Avoid running the drifter dry or low on lubrication.
Monitor vibration levels during early operation cycles.
Replace if any metal particulate contamination is detected.
Pair with OEM-spec seals to maintain lubrication purity.
The global heavy machinery industry demands suppliers that offer reliability, technical competence and rapid delivery. 3GEN Export satisfies all these requirements while maintaining a reputation for providing high-quality, OEM-standard spare parts for dozens of premium brands.
OEM-level quality assurance
Worldwide delivery in 5 working days
Extensive inventory for Atlas Copco drifter parts
Professional support for compatibility checks
Stable supply chains reducing downtime risks
With thousands of shipments completed globally, 3GEN Export continues to support mining, tunneling, construction and quarrying operations with dependable inventory and industry-leading speed.
The 3128031400 Bearing, also known as the 3128 0314 00 BEARING ATLAS COPCO, is a vital component for maintaining the structural stability, precision alignment and operational longevity of Atlas Copco hydraulic drifters. Engineered to withstand extreme loads and abrasive environments, this bearing ensures smooth rotational performance and protects the broader assembly from premature failure.
With OEM-grade performance, superior material engineering and universal compatibility across key Atlas Copco models, the 3128031400 Bearing remains an indispensable spare part for mining and drilling professionals worldwide. Through 3GEN Export, companies can source this component with confidence, supported by rapid global delivery and expert technical service.
Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.