NMT Ltd.
Corporate Communications Department
NMT Pillow Block Ball Bearings Quick Installation Self-Aligning Anti-Deviation Support Bearings For Conveyor Lines, Agricultural And Construction Machinery
Conveying equipment, agricultural machinery and packaging assembly lines are mostly assembled on site. Limited frame machining accuracy easily leads to coaxial offset during shaft installation. Conventional separate bearings and bearing housings require complicated assembly and high precision of mounting bases, leading to lengthy on-site debugging and delayed commissioning. Many outdoor agricultural machines and open-air conveying equipment operate under harsh conditions, where dust and moisture easily penetrate bearings and accelerate wear of rolling elements. Conveyor rollers run continuously at low circulating speed. Minor vibration on some equipment may loosen bearings and cause axial shifting, resulting in roller jamming and unexpected shutdown. Meanwhile, plenty of general machinery pursues low assembly cost, fewer spare parts and shorter assembly time. The market demands integrated pillow block ball bearings featuring easy installation, integrated housing, self-aligning ability and dust resistance.
NMT Pillow Block Ball Bearings combine bearing bodies and housings as complete sets. Spherical outer rings adapt to slight angular misalignment and reduce requirements for frame precision and assembly accuracy. Multiple built-in sealing options block dust and moisture from raceways, suitable for dusty and humid environments in workshops and open air. Various locking structures including set screw locking and eccentric locking collar are available to firmly lock shafts and prevent loosening and axial sliding caused by vibration. Bearings are pre-filled with long-service-life grease before delivery and require less frequent initial maintenance. Cast iron housings feature rigid structure, good vibration resistance and capacity to bear moderate shock loads. Standard universal dimensions enable easy replacement of traditional models for upgrading new and old conveying and agricultural machinery. Simple installation only requires bolts to fix bases and greatly cuts down on-site assembly and debugging work.
Multiple housing shapes, locking structures and sealing configurations are available. Selection can be made according to operating environment, load and shaft conditions for general conveying equipment and light construction machinery.
Core Product Advantages
Spherical outer ring provides self-aligning capacity to tolerate assembly coaxial deviation and lower machining and debugging requirements;
Bearings matched with housings as integrated sets remove separate selection work and simplify assembly procedures greatly;
Diverse locking structures resist equipment vibration effectively and prevent relative sliding between shafts and inner rings;
Optional multi-layer sealing achieves dust-proof and moisture-proof performance for harsh environments of outdoor farm machinery and dusty conveyor lines;
Pre-filled grease at factory reduces frequent early lubrication and lowers initial maintenance workload;
Standard universal specifications with great interchangeability facilitate maintenance replacement for used conveying and agricultural machinery.
Typical Application Scenarios
Belt conveyors and roller conveying equipment; agricultural machinery including harvesters and fertilizer spreaders; automatic packaging lines for food and paper products; auxiliary light mining conveying machinery; transmission roller tables for building material processing; light stirring and conveying mechanisms for sewage treatment.
Quality Assurance
NMT Pillow Block Ball Bearings are manufactured under full-process control according to universal spherical bearing standards. Inner rings, outer rings and steel balls receive precision grinding, while bearing housings are integrally cast from high-strength cast iron. All finished products pass self-aligning testing, dust sealing inspection and continuous endurance testing to guarantee stable medium-and-long-term service. Complete specifications and reliable interchangeability support continuous supply for manufacturers of conveying, agricultural and light industrial machinery.
Product Range
Pillow housing, flange housing and round housing matched with set screw locking or eccentric locking bearings are available. Professional selection guidance based on load, dust and humidity level and vibration intensity is offered.
Brand Strength
NMT focuses on research and manufacturing of general industrial bearings. Solving industry challenges of conveyor lines and agricultural machinery such as simple assembly requirements, large installation deviation, dusty humid outdoor conditions and vibration-induced loosening, NMT continuously optimizes spherical raceway processing and sealing structures, supplying easy-to-install, self-aligning and durable pillow block bearing solutions for general mechanical equipment.