2026-07-16
NMT Ltd.
Corporate Communications Department
NMT Spherical Roller Bearings: Ultra-Precision Raceway Technology, Low Friction and Energy-Saving Operation
In the context of industrial energy conservation and consumption reduction, the energy loss caused by internal friction of bearings has become an important part of the operating cost of heavy machinery. Most ordinary spherical roller bearings have rough raceway surfaces and poor roller matching accuracy. There are obvious gaps and friction resistance in the operation process, which will generate a lot of friction heat and invalid power consumption during long-term high-load operation. Excessive friction not only increases equipment energy consumption, but also accelerates the wear of rolling elements and raceways, leading to reduced bearing accuracy, shortened service life and decreased equipment operation efficiency, restricting the energy-saving and high-quality development of heavy industry.
NMT Japan takes energy-saving operation and precision optimization as the core research direction, and applies self-developed micron-level ultra-precision raceway finishing technology to spherical roller bearings. Different from the traditional rough grinding process, NMT's ultra-precision process can control the raceway surface roughness within the ultra-low error range, realizing a mirror-smooth raceway surface. The perfectly polished curved surface matches the roller contour accurately, eliminating redundant friction gaps and contact dead angles, greatly reducing the internal friction coefficient of the bearing.
In terms of overall matching optimization, NMT strictly screens roller dimensional accuracy and consistency, adopts high-precision grouping and matching scheme, and ensures that the stress of each roller is uniform during operation. The optimized arc transition structure of the raceway avoids stress concentration and edge friction, realizes full-surface uniform contact between rollers and raceways, and further reduces invalid friction loss. Combined with low-resistance high-efficiency lubricating grease, it forms an ultra-low friction lubrication system, which minimizes operation resistance and effectively inhibits friction heat generation.
While realizing ultra-low friction and energy saving, NMT ultra-precision spherical roller bearings maintain excellent self-aligning performance and heavy-load capacity. The smooth and stable rotating state avoids jitter and eccentric wear caused by friction resistance, ensures long-term high-precision operation of equipment, and avoids production efficiency attenuation caused by bearing wear. In actual industrial operation, compared with ordinary bearings, NMT energy-saving bearings can effectively reduce equipment power consumption, reduce heat accumulation failure rate, and extend the overall service life of bearings and equipment.
Widely applicable to energy-saving transformation of cement, metallurgy, mining and other heavy-duty equipment, NMT low-friction energy-saving spherical roller bearings take into account high load, high precision and low consumption performance. They not only solve the wear and failure problems of ordinary bearings, but also effectively reduce enterprise energy costs, helping heavy industry enterprises achieve green, energy-saving and efficient production goals.