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2026-07-22

NMT Ltd.
Corporate Communications Department

NMT Food-Grade Waterproof and Anti-Corrosion Cylindrical Roller Bearings Rust-Proof and Moisture-Resistant Precision Bearings for Food Washing Equipment

Food processing assembly lines, fruit and vegetable cleaning equipment, meat sorting and conveying machinery, baking production lines, disinfection and packaging equipment, aquatic processing machinery and daily chemical cleaning equipment operate under special working conditions of high-frequency water flushing, humid condensation, acid-base disinfectant immersion, low-temperature high humidity and frequent sanitary disinfection. To ensure food production hygiene standards, equipment requires daily high-pressure water flushing and disinfectant spraying. Ordinary cylindrical roller bearings have no waterproof and anti-corrosion capabilities and are prone to frequent failures in such working conditions. High-pressure water penetrates sealing gaps and invades the bearing interior, causing emulsification, deterioration and loss of lubricating grease and resulting in dry friction and stalling of bearings. Residual water vapor causes oxidation and rusting of raceways and rollers, producing rust residues that not only cause equipment abnormal noise, stalling and transmission failure, but also bring hidden dangers of sanitary pollution. Long-term corrosion of bearing surface by acid-base disinfectants leads to surface peeling, gap enlargement and precision failure. Repeated dry-wet alternating environments accelerate material aging and fatigue damage, causing frequent bearing jamming and scrapping as well as frequent equipment shutdown and maintenance, which seriously affects the continuous and standardized production of food production lines and becomes a prominent equipment operation and maintenance pain point in the food and light industry.

Focusing on the field of food light industry sanitary transmission, Japan NMT specially develops food-grade waterproof and anti-corrosion long-life cylindrical roller bearings to solve the industry pain points of ordinary bearings such as water sensitivity, easy rust, poor corrosion resistance and easy failure after water washing. Through five core upgrades including food-grade environmental-friendly lubrication formula, multiple full-sealed waterproof structure, corrosion-resistant base material strengthening, acid-base resistant passivation treatment and dry-wet alternation adaptation technology, it thoroughly solves the problems of bearing emulsification and rusting, corrosion damage and stalling failure under water-wash and humid working conditions. Fully complying with food equipment sanitary safety standards, it adapts to the production environment of high-frequency water washing, regular disinfection and high humidity, providing clean, stable and long-term transmission guarantee for food processing equipment.

Core Product Advantages

1. Multiple waterproof seals resist high-pressure water washing: Adopting double-layer thickened sanitary sealing structure and dust-proof and waterproof flange design to fully block gaps, it effectively resists high-pressure water gun flushing and spray water immersion, fundamentally preventing grease emulsification failure caused by water infiltration.

2. Food-grade anti-corrosion material ensures rust and moisture resistance: Adopting improved corrosion-resistant bearing base material with surface passivation anti-rust treatment, it greatly enhances oxidation resistance and water vapor corrosion resistance, avoiding rust and oxidation residues in long-term high-humidity and water accumulation environments and eliminating food sanitary pollution risks.

3. Acid-base corrosion resistance adapts to disinfection working conditions: Specially optimized for hypochlorous acid, disinfectants and weak acid-base cleaning water in food workshops, it resists regular disinfection corrosion without easy surface peeling or oxidation, maintaining stable performance under long-term spraying and immersion.

4. Food-grade lubrication ensures safety and cleanliness: Equipped with special environmental-friendly and safe grease for food equipment, which is non-toxic and harmless, compliant with food sanitary standards, high-temperature resistant, hydrolysis resistant and not easy to emulsify and lose. It maintains a clean lubrication state for a long time without hidden dangers of oil leakage and pollution.

5. Stable dry-wet alternation ensures long-term durability: Adapting to the alternating working conditions of repeated water washing, drying and humid condensation in workshops, it has no attenuated material performance, no aging seals and no failed lubrication, greatly reducing bearing replacement frequency and equipment shutdown rate.

Application Scenarios

Food processing and conveying assembly lines, high-pressure fruit and vegetable cleaning equipment, aquatic processing machinery, meat sorting and packaging equipment, baking production lines, food disinfection and packaging machinery, daily chemical cleaning equipment, pharmaceutical light industry conveying equipment, transmission devices for high-humidity clean workshops.

Precision Quality Assurance

NMT food-grade waterproof and anti-corrosion cylindrical roller bearings are manufactured in strict accordance with Japanese food sanitary equipment standards. Adopting environmental-friendly and safe materials and food-grade lubrication system, they undergo high-pressure water washing sealing test, acid-base corrosion resistance test, high-humidity aging durability test, sanitary safety test and dry-wet alternating fatigue test. All products have no harmful substance precipitation or oil leakage, featuring excellent rust and corrosion resistance, clean and silent operation and stable durability, fully adapting to clean water-washing working conditions such as food, medicine and daily chemical industries.

Product Range

Food-grade waterproof cylindrical roller bearings, water-wash resistant anti-corrosion bearings, sanitary-grade bearings for food equipment, high-humidity rust-proof long-life bearings, disinfectant corrosion-resistant bearings, low-noise bearings for clean workshops, customized bearings for non-standard food clean working conditions.

Brand Strength

Japan NMT develops exclusive bearings for segmented fields such as food cleanliness, light industry precision and heavy-load extreme working conditions. With Japanese precision clean manufacturing technology, food-grade safety adaptation system and strict waterproof and anti-corrosion performance detection, it accurately solves the problems of rusting, emulsification, corrosion and frequent damage of food equipment bearings, providing safe, clean, high-stability and long-life core transmission accessories for the global food processing, pharmaceutical clean and daily chemical light industry.