2026-07-16
NMT Ltd.
Corporate Communications Department
NMT Spherical Roller Bearings: High Temperature Resistant Design For Metallurgy & Kiln Industrial Scenarios
Metallurgical rolling mills, rotary kilns, cement kilns and thermal processing equipment work in long-term high-temperature radiation environments. The ambient temperature of the equipment is extremely high, and ordinary spherical roller bearings are prone to thermal expansion deformation, lubricating grease failure, high-temperature oxidation and roller fatigue peeling under continuous high-temperature conditions. These problems will lead to reduced bearing rotation accuracy, increased operating friction and sudden equipment shutdown, seriously restricting the production efficiency of high-temperature industrial lines.
For the high-temperature working conditions of thermal industrial equipment, NMT Japan develops professional high-temperature resistant spherical roller bearings. The bearings are made of imported high-purity heat-resistant alloy bearing steel, which has excellent high-temperature stability, and will not produce structural softening, thermal expansion deformation or oxidative wear in long-term high-temperature environments. Through special high-temperature tempering treatment, the material maintains stable hardness and toughness, effectively resisting high-temperature fatigue failure.
In terms of lubrication and sealing matching, NMT high-temperature bearings are equipped with special high-temperature resistant lubricating grease, which can keep stable lubricating performance without drying, coking or failure under hundreds of degrees of high temperature. The upgraded high-temperature resistant sealing gaskets and protective coatings avoid aging and cracking of sealing structures caused by heat radiation, effectively blocking hot air and oxide dust from entering the bearing interior.
The internal self-aligning and load-bearing structure is optimized for high-temperature scenes, which can offset tiny thermal deformation errors generated in high-temperature operation, ensuring accurate alignment and stable rotation of the bearing. Widely applicable to metallurgical rolling equipment, rotary kiln supporting rollers, cement kiln transmission parts and other high-temperature heavy-duty equipment, NMT high-temperature spherical roller bearings solve the problem of easy failure of ordinary bearings in high-temperature environments, and are reliable core accessories for stable operation of thermal industrial production lines.