NMT Ltd.
Corporate Communications Department
NMT Cam Follower Bearings Impact Resistant Wear Resistant Heavy Load Bearings For Automated Conveying Lines, Machine Tool Tooling And Linear Guide Mechanisms
Cam driving and linear guide mechanisms are widely used in automated conveying and machine tool production lines. Ordinary rollers have limited load capacity. Under impact loads, outer rings easily deform and suffer surface spalling. Metal chips and sprayed cutting fluid are continuously generated during machining. Simple unsealed roller bearings easily ingest contaminants, resulting in rolling element seizure and jamming, which directly damage equipment positioning accuracy.
A large number of tooling devices have limited installation space. Conventional bearings matched with bearing housings occupy excessive space and require complicated assembly. Equipment manufacturers aim to simplify guide assembly structures by adopting integrated roller bearings to cut component quantity. Frequent reciprocating motion sets strict requirements on bearing wear resistance. Premature bearing wear leads to increased guide clearance and lower workpiece machining precision. The market demands integrated cam follower bearings with reliable sealing, impact resistance and excellent wear resistance.
NMT Cam Follower Bearings adopt high-purity bearing alloy steel and precise heat treatment. Precisely ground outer ring arc surfaces achieve uniform hardness with strong resistance to extrusion and surface fatigue spalling. Optimized roller profile realizes even load distribution and lowers temperature rise during high-speed reciprocating motion. Multiple sealing options are available. Contact rubber seals resist cutting fluid and dust invasion, while non-contact dustproof structures fit high-speed dry operating environments.
The integrated design eliminates the demand for separate bearing housings and enables direct mounting via center bolts, greatly simplifying mechanical layout and saving installation space. A complete range of standard interchangeable sizes facilitates replacement during renovation of new and old automated equipment. Optimized outer ring arc design balances contact stress with guide rails to avoid pitting damage during long-term rolling and maintain stable guiding precision.
Core Product Advantages
Integrated structure without separate bearing housing; direct bolt mounting simplifies overall mechanical design;
Precision arc outer ring rolls directly on guide rails and cams with high load capacity and outstanding impact resistance;
Multiple sealing options block dust, cutting fluid and debris for complex working conditions of machine tools and production lines;
Optimized rolling element load layout delivers wear and heat resistance to prevent fatigue spalling during long reciprocating operation;
Complete size lineup with standard dimensions for convenient replacement in automated conveying and guiding equipment;
Stable smooth operation with constant clearance, maintaining long-term positioning accuracy and reducing workpiece machining errors.
Typical Application Scenarios
Linear guide rollers for automated assembly lines; cam driving mechanisms of CNC machine tool fixtures; travelling rollers for stereoscopic warehouses and sorting conveying equipment; cam transmission assemblies of printing and packaging machinery; guide supports for woodworking machinery; guide components of automatic turnover and transfer mechanisms.
Quality Assurance
NMT Cam Follower Bearings carry out full-process quality control. Raw materials pass non-destructive inspection, and outer ring curved surfaces receive precision grinding. Finished products pass load endurance tests, seal performance tests and reciprocating rolling fatigue inspection. Defective products with insufficient outer ring hardness, failed seals and unsmooth rotation are strictly rejected. Reliable guiding bearing solutions are steadily supplied to manufacturers of automation and machine tool equipment.
Product Range
Standard stud type, eccentric stud type; open type, single seal type, double seal type. Professional selection suggestions are provided according to operating speed, dust density and liquid exposure.
Brand Strength
NMT specializes in R&D and manufacturing of roller and cam drive bearings. Targeting industry pain points including reciprocating guidance on automated production lines, cutting fluid contamination in machine workshops, limited assembly space and frequent impact loads, NMT continuously optimizes outer ring surface machining technology, sealing structures and heat treatment processes. High-performance cam follower bearings extend service life of guide components and reduce unplanned downtime caused by equipment precision deviation.