NMT Ltd.
Corporate Communications Department
NMT Stainless Steel Deep Groove Ball Bearing | SUS304 SUS316L Corrosion Resistant Bearing for Food Pump Motor
1. Failure Pain Points of Ordinary Bearings
Deep groove ball bearings are the most widely used basic transmission parts for motors, water pumps, fans and conveying equipment. Ordinary carbon steel bearings rely on galvanized or chrome-plated surface for rust prevention. The protective coating is damaged quickly under water washing, water vapor, acid liquid and salt spray, resulting in raceway rust, ball jamming, bearing locking, motor overheating and abnormal noise.
Food and water treatment equipment need regular cleaning and disinfection, carbon steel bearings need frequent replacement, resulting in production downtime. Inferior stainless steel bearings have rough processing and insufficient hardness, leading to serious wear at high speed. Customers need high-precision stainless steel bearings with balanced anti-corrosion and durability performance.
2. Product Positioning of NMT Stainless Steel Deep Groove Ball Bearing
Developed for humid and corrosive working conditions of light industry and fluid machinery, NMT full stainless steel deep groove ball bearing adopts integrated stainless steel processing for inner ring, outer ring, steel ball and cage to eliminate rust fundamentally. The classic deep groove structure bears radial load and slight axial load, adapting to high-speed rotation, intermittent start-stop and low-speed heavy load. It is a perfect replacement for plated carbon steel bearings and low-quality stainless steel bearings.
3. Structural Advantages of Deep Groove Design
The arc deep groove raceway fits closely with steel balls for uniform stress distribution, balancing radial pressure and axial displacement. Three sealing types are optional: open type for high heat dissipation, rubber seal for waterproof and dustproof, metal shield for dusty humid environment. Clearance classification (C0/C3) matches conventional equipment and high-temperature vibrating machinery. Direct installation interchangeable with standard carbon steel bearings without structural modification.
4. Two Material Solutions for Working Condition Matching
SUS304 stainless steel: cost-effective anti-rust performance, resist tap water, condensation, fruit acid and disinfectant. Suitable for food conveyor, fan, clean water pump and outdoor machinery for mass purchasing.
SUS316L stainless steel: enhanced resistance to salt spray, seawater, strong acid and chloride ion corrosion. Ideal for aquaculture pumps, seawater equipment, chemical pumps, coastal machinery and food disinfection production lines with long service life in immersed environment. Both materials are solution heat-treated to avoid raceway indentation and steel ball deformation.
5. Japanese Precision Manufacturing for High-Speed Wear Resistance
Production flow: forging → stress relief annealing → ultra-precision raceway grinding → mirror polishing → graded steel ball assembly → grease filling → sealing inspection. Mirror polished raceway reduces friction, heat generation and grease consumption. Stainless steel avoids seizure during long-term shutdown or outdoor storage. Each bearing passes noise, runout and salt spray aging test to ensure stable high-speed operation without vibration.
6. Application Fields
Food processing machinery, water pumps, industrial motors, ventilation fans, outdoor garden equipment, coastal transmission rollers, textile machinery, medical equipment, laboratory instruments and sewage treatment equipment.
7. Brand Quality & Service
NMT maintains sufficient stock for mainstream series 6000/6200/6300 bearings. Custom service for special size, sealing structure and food-grade high-temperature grease is available. Unified global quality control system, professional working condition selection guidance to reduce equipment failure rate and maintenance cost for industrial customers.