Agricultural machinery and material conveying equipment mostly operate in open workshops and farmland with limited assembly conditions, making high-precision coaxial positioning difficult. Separate assembly of loose bearings and bearing housings consumes plenty of working hours and requires skilled operators. Minor assembly deviation will lead to bearing heat, abnormal noise and rapid abrasion after short running time. Farmland and raw material workshops are continuously affected by soil, crop residues, dust, rainwater and moisture. Ordinary bearings lack sufficient protection, and contaminants easily enter raceways and degrade lubricating grease. Agricultural and conveying equipment is widely distributed. Regular grease refilling requires heavy labor, and frequent shutdown for maintenance will hinder harvesting and production schedules. Machinery manufacturers intend to cut assembly time, while end users hope to reduce routine inspection frequency. The market has strong demand for integrated bearing units featuring simple installation and excellent sealing protection.

NMT Pillow Block Ball Bearings adopt integrated assembly design combining bearing insert and cast iron housing. Separate matching adjustment between bearing and support seat is no longer required, greatly shortening assembly time for complete machines. The spherical outer ring allows limited movement inside housing to compensate shaft misalignment during installation, lower requirements for assembly accuracy and avoid extra friction caused by poor alignment. An internal long-term lubrication chamber is designed. Grease fitting ports can be reserved optionally, offering maintenance-free versions and re-greaseable versions for different operation and maintenance conditions. Multi-layer sealing structure prevents dust, moisture and plant residues from reaching rolling contact surfaces, slowing grease deterioration and extending service life under harsh outdoor conditions. Mature locking structure firmly fixes the bearing on shafts to avoid slipping under frequent start-stop and slight impact loads. Various housing types support horizontal, vertical and other installation forms. Standard external dimensions enable convenient replacement during upgrading of new and old conveying and agricultural equipment.

Multiple housing types, locking modes and sealing grades are available. Selection can be determined according to installation posture, dust and humidity level and impact load, suitable for long-term continuous operation of agricultural machinery and light-duty conveying production lines.

Core Product Advantages

Integrated unit of bearing and housing simplifies parts management and greatly reduces assembly time of complete equipment;

Spherical matching structure provides self-aligning capacity to tolerate minor coaxial errors and lower assembly difficulty;

Multi-layer sealing system blocks dust, muddy water and plant impurities, adapting to harsh farmland and raw material workshop environments;

Stable shaft locking structure prevents relative sliding and withstands impact loads generated during equipment start and stop;

Diverse options including re-greaseable types to meet lubrication maintenance requirements of continuously running equipment;

Standard universal dimensions support convenient replacement on various agricultural machinery and conveying equipment.

Typical Application Scenarios

Harvesting and sowing agricultural machinery; belt and roller conveying devices on production lines; small grain elevators; garden trimming and cleaning equipment; light-duty building material conveyors; simple food raw material conveying production lines.

Quality Assurance

NMT Pillow Block Ball Bearings are produced under full-process quality control following general machinery bearing standards. Bearing inserts are made of high-purity bearing steel. Spherical outer rings and balls receive precision grinding, while cast iron housings go through aging treatment to reduce deformation risk. All finished products pass sealing performance testing, noise inspection and load endurance testing to guarantee stable long-term operation in complex environments. Complete product lineup and reliable interchangeability support continuous supply for agricultural machinery and conveying equipment manufacturers.

Product Range

Vertical base, square base and other housings are available with set screw locking and eccentric locking structures. Professional selection guidance based on installation mode, environmental conditions and load is provided.

Brand Strength

NMT devotes itself to research and production of integrated bearing units for general machinery. Solving industry challenges including poor assembly conditions of agricultural and conveying machines, dusty and humid working environments and high maintenance difficulty for scattered equipment, NMT continuously optimizes spherical matching precision, sealing structure and locking mechanism, supplying easy-to-install, well-protected and durable integrated housed bearing solutions for agricultural machinery and material conveying sectors.