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bearing types and applications

Construction (Flat Saw)


We understand the critical role that high-performance components play in the construction industry, particularly in demanding applications like flat saws and floor cutting machinery. Mounted ball bearings, especially flanged bearing units, are vital for the effective and reliable operation of these machines. Here’s why our bearings are the preferred choice for professionals in the construction sector.


Robust and Reliable Performance


Flat saws, also known as slab saws, are essential tools for cutting horizontal surfaces such as floors, pavements, and bridge decks. These machines face rigorous conditions, including high loads, dust, and vibrations. Our mounted ball bearings are designed to support the rotating blade and drive shaft, ensuring smooth and efficient motion. By reducing friction between the rotating components and the stationary housing, our bearings enable the engine's power to translate into precise, smooth cuts through tough materials like concrete and asphalt.


Enhanced Stability and Load Handling


The flanged design of our bearing units offers enhanced stability, which is crucial for maintaining the alignment and positioning of the saw blade. The two-bolt flange mounting provides a secure attachment to the machine frame, preventing lateral movement or displacement under heavy loads. This stability is essential for handling the dynamic forces encountered during cutting operations, ensuring that the blade remains perpendicular to the surface for accurate cuts.


Moreover, our bearings are engineered to support both radial and axial loads, distributing these forces evenly across the bearing surface. This capability is particularly important for concrete cutting machines, which experience significant stress in multiple directions. The uniform load distribution reduces stress concentrations, extending the life of the bearings and the overall machinery.


Durability in Harsh Environments


Construction sites are harsh environments with abundant dust, debris, and moisture. Our mounted ball bearings are equipped with seals that protect against these contaminants, ensuring long-lasting performance. The robust housing of our bearings provides additional protection against external impacts, making them ideal for continuous use in challenging conditions.


Vibration Reduction and Maintenance


Vibrations are a common issue in cutting machinery, leading to wear and tear on the equipment. Our flanged bearing units are designed to dampen these vibrations, contributing to smoother operation and better cut quality. This vibration reduction also results in lower noise levels, enhancing operator comfort and safety.


Maintenance is a critical aspect of machine longevity, and our bearings are designed with ease of access in mind. They feature convenient lubrication points that make it easy to perform regular maintenance, driving out foreign particles with fresh grease and significantly extending the service life of the bearings.


LDK is committed to providing robust, reliable, and high-performance mounted ball bearings that meet the demanding needs of the construction industry. Our flanged bearing units are specifically engineered to support the rigorous conditions faced by flat saws and floor cutting machinery. By offering enhanced stability, load distribution, durability, and ease of maintenance, our bearings ensure that your equipment operates efficiently, safely, and with minimal downtime. Choose LDK Bearings for your construction machinery to experience the difference that quality and precision engineering can make.



Common type

Pillow blocks bearing units: NAFC, NAPE, UCF, UCFL, NAFLU


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Benjamin Zhang: 13906058255 

Jacy Lin: 15959344117 

Spring Zhang: 18206090020

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Xipu Industry Park, Luojiang District, Quanzhou, Fujian, P.R. China
kzhang@ldk-bearings.com 86-592-5807618