NMT Ltd.
Corporate Communications Department
NMT Cam Follower Bearings High Rigidity Shock-Resistant Wear-Resistant Precision Roller Bearings For Linear Guidance And Support On Automation Conveying Lines, Machine Tool Fixtures And Stamping Equipment
Automated conveying lines, machine tool fixtures, stamping machinery and cam transmission mechanisms require numerous rolling guide points where rollers stay in continuous contact with rails and cam surfaces. Combinations of ordinary bearings and separate rollers lack rigidity and deform easily under load, leading to slippage and partial abrasion under impact. Split assemblies suffer poor coaxiality. Vibration intensifies during long-term reciprocating operation, accelerating wear and frequent downtime for replacement.
Many guiding mechanisms bear intermittent impact loads. Dust and metal debris easily accumulate on site, imposing strict requirements on outer ring wear resistance. Limited installation space calls for integrated structures to simplify assembly and reduce assembly errors. The market demands integrated precision cam follower bearings with hardened wear-resistant outer rings and reliable shock resistance.
NMT Cam Follower Bearings adopt an integrated structure consisting of outer ring, rollers and cages. No extra roller assembly is required to realize linear guidance and cam driven transmission. Thickened outer rings receive surface quenching to achieve high hardness and outstanding wear resistance. The outer rolling surface maintains stable contact with guide rails and cams and resists scratches caused by hard debris. Precisely arranged rollers sustain radial loads and impact loads, stabilizing operation and mitigating partial abrasion caused by eccentric force.
Multiple structures including stud type and standard type are available for diverse mounting requirements. Cages precisely restrict rolling elements to avoid collision friction. Long-service grease is pre-filled internally. Optional sealing structures block dust and metal debris, suitable for dusty stamping and automation workshops. All products comply with international standard dimensions for easy replacement, widely used in guiding, cam transmission and fixture support applications.
Core Product Advantages
Integrated structure eliminates separate roller assembly, reduces accumulated assembly errors and improves overall coaxiality;
Thickened quenched outer ring provides anti-scratch and wear-resistant rolling surface against long-term contact with rails and cams;
Excellent load capacity for continuous radial loads and intermittent impact loads, ideal for reciprocating guidance and cam driving;
Optional diversified sealing solutions prevent dust and metal debris intrusion and reduce rolling element abrasion;
Comprehensive specifications including stud type for direct locking, greatly simplifying assembly of fixtures and conveying mechanisms;
Pre-filled grease from factory extends initial maintenance intervals, suitable for non-stop automated production lines;
Standard universal dimensions support convenient replacement on new and existing equipment without remachining mounting bases.
Typical Application Scenarios
Guide rollers for automated production lines and linear limiting mechanisms of transfer machinery; support rollers for machine tool positioning fixtures; feeding mechanisms and mold guide assemblies of stamping equipment; cam transmission units of packaging machinery; guide structures for logistics sorting equipment and driven parts of small cam processing machines.
Quality Assurance
NMT Cam Follower Bearings adopt high-toughness bearing alloy steel. Incoming raw materials are inspected for hardness, metallographic structure and impurity content. Outer rings undergo CNC forming, surface quenching and multi-stage outer diameter superfinishing to control contour accuracy and surface finish. Rollers are graded to minimize dimensional deviation. Wear-resistant cages are precisely manufactured. After assembly, finished products pass impact load testing, rolling wear testing and dust sealing inspection. All nonconforming products are eliminated. NMT continuously supplies guide roller solutions for manufacturers of automation, machine tools and stamping equipment.
Product Range
Stud type cam follower bearings, flat type cam follower bearings. Selection depends on load capacity, impact frequency, operating speed and on-site dust conditions.
Brand Strength
NMT specializes in R&D and manufacturing of roller-type precision bearings. Targeting reciprocating rolling conditions with impact loads and metal debris in automated conveying and stamping cam mechanisms, NMT optimizes outer ring heat treatment, roller matching and sealing design. The brand solves common pain points such as insufficient rigidity of split roller assemblies, rapid outer ring wear and complicated assembly. It helps automation and stamping equipment operators cut failure frequency of guiding components, extend service life and lower production maintenance expenses.