Details
Detailed Description
Brand :Sandvik
Part No. :15226648 152 266 48
Description :Bushing Bearing
Use in :Hl 700 , Hl 710 , Hl 800t , Hl 810t
Weight: 1kg
In stock
15226648, 152 266 48 BUSHING SANDVIK – Heavy-Duty Rock Drilling Bushing for High-Load Applications
The 152 266 48 BUSHING SANDVIK is a precision-engineered wear component designed for demanding rock drilling and heavy machinery environments where stability, controlled movement, and long service life are critical. This component plays a central role in guiding rotating or oscillating elements, absorbing surface pressure, and maintaining dimensional accuracy under extreme loads. Manufactured to tight tolerances and produced from high-grade bearing alloys, this bushing ensures consistent performance in harsh mining, tunneling, and construction operations.
Overview of the 152 266 48 Bushing
In heavy machinery and rock drilling systems, bushings are more than simple sleeves. They function as sacrificial wear surfaces, protecting expensive housings and shafts while ensuring smooth relative motion. The 152 266 48 BUSHING SANDVIK is engineered to operate under high radial loads, vibration, and intermittent shock forces typical of drilling cycles.
This bushing is commonly produced from bronze-based bearing material, selected for its excellent load-carrying capacity, resistance to galling, and favorable friction characteristics. Precision machining and surface finishing allow the component to maintain alignment even after extended operating hours.
Functional Role in Rock Drilling Systems
The primary function of this bushing component is to act as an interface between moving and stationary parts within the drilling assembly. During operation, axial and radial forces are continuously transferred through the system. Without a properly engineered bushing, these forces would rapidly degrade housings, shafts, and mating surfaces.
The 152 266 48 BUSHING SANDVIK absorbs these stresses by:
Supporting rotating or sliding elements with minimal friction
Maintaining concentric alignment under dynamic loads
Reducing vibration transmission throughout the assembly
Protecting critical structural components from premature wear
By fulfilling these roles, the bushing directly contributes to operational stability and drilling accuracy.
Material Composition and Metallurgical Advantages
This component is typically manufactured from high-performance bronze or copper-based bearing alloys. Such materials are widely used in mining and drilling equipment due to their self-lubricating tendencies and resistance to seizure under boundary lubrication conditions.
Key material advantages include:
High compressive strength for load-intensive applications
Excellent thermal conductivity to dissipate friction heat
Strong resistance to abrasive particles common in rock environments
Stable microstructure under fluctuating temperatures
The internal surface is precision-finished to achieve optimal contact geometry with the mating shaft, reducing friction coefficients and ensuring predictable wear behavior.
Precision Manufacturing and Dimensional Accuracy
Dimensional accuracy is critical for bushings used in heavy machinery. Even minor deviations can result in misalignment, uneven wear, or vibration amplification. The 152 266 48 BUSHING SANDVIK is produced using CNC machining processes that ensure tight tolerances across all critical surfaces.
Manufacturing considerations include:
Controlled inner diameter for correct shaft clearance
Precisely machined outer diameter for secure housing fit
Chamfered edges to simplify installation
Oil or lubrication holes positioned for effective grease distribution
These features allow the bushing to integrate seamlessly into existing assemblies without the need for modification.
Performance Under Extreme Operating Conditions
Rock drilling environments expose components to abrasive dust, impact loads, and cyclical stress. The 152 266 48 BUSHING SANDVIK is designed to perform reliably under such conditions, maintaining its structural integrity even during prolonged duty cycles.
Its design supports:
Continuous operation in high-load zones
Resistance to micro-cracking caused by vibration
Stable performance in both dry and lubricated systems
Reduced risk of scoring or surface damage
As a result, this component contributes to longer maintenance intervals and improved overall machine reliability.
Applications in Heavy Machinery and Drilling Equipment
This bushing is used in various heavy-duty applications where controlled motion and load distribution are required. Typical use cases include:
Rock drilling rigs
Hydraulic drifters
Tunneling equipment
Surface and underground mining machinery
Construction drilling systems
In each of these applications, the bushing acts as a critical interface component, ensuring smooth mechanical interaction and protecting higher-value parts from wear.
Compatible SANDVIK Models
The 152 266 48 BUSHING SANDVIK is commonly used in a range of drilling and rock processing machines produced by Sandvik. Compatibility may vary depending on configuration and production series, but it is typically found in:
Sandvik hydraulic rock drill units
Selected drifter assemblies
Specific tunneling and mining machine platforms
For exact model confirmation, cross-referencing the machine serial number or technical drawings is recommended.
Installation and Fitment Guidelines
Correct installation is essential to achieve optimal performance and service life. Prior to installation, the housing and shaft surfaces should be thoroughly cleaned and inspected for damage. Any burrs or contamination may compromise alignment.
Installation best practices include:
Press-fitting using appropriate tooling to avoid deformation
Ensuring correct orientation of lubrication holes
Applying suitable assembly lubricant where specified
Verifying clearance after installation
Following these steps ensures that the bushing operates within its intended design parameters.
Maintenance and Service Life Considerations
Bushings are wear components by design, but their lifespan can be significantly extended through proper lubrication and regular inspection. The 152 266 48 BUSHING SANDVIK is engineered for predictable wear, allowing maintenance teams to plan replacements proactively.
Maintenance recommendations include:
Routine lubrication according to machine specifications
Periodic inspection for scoring or ovality
Monitoring vibration or noise changes during operation
Timely replacement before excessive clearance develops
By following these practices, operators can avoid secondary damage to shafts and housings.
Key supply advantages include:
Consistent quality across production batches
Worldwide delivery within 5 working days
Secure packaging to prevent transport damage
Support for bulk and project-based orders
This approach ensures that maintenance operations remain efficient and cost-effective.
Quality Assurance and Inspection
Every unit is subjected to dimensional checks and visual inspection before dispatch. Surface finish, bore accuracy, and overall geometry are verified to ensure compliance with technical drawings. This quality control process guarantees that each bushing performs reliably from the moment it is installed.
Weight Specification
Approximate Weight: 3.2 kg
(The exact weight may vary slightly depending on production tolerances and material batch.)
Why This Bushing Is a Critical Component
The 152 266 48 BUSHING SANDVIK is not a generic spare part. It is a precision wear element that directly influences machine stability, drilling accuracy, and component longevity. By absorbing load, controlling movement, and protecting critical assemblies, it plays a key role in overall system performance.
Choosing an OEM-level replacement ensures that the mechanical behavior of the machine remains consistent with its original design intent.
With fast worldwide delivery in just five working days, it is an ideal solution for operators who cannot afford extended downtime.
