INA is one of the core brands of the Schaeffler Group, founded in 1946 by brothers Wilhelm and Georg Schaeffler in Herzogenaurach, Germany. The brand is best known for the cage-guided needle roller bearing, developed by Georg Schaeffler in 1949, and today stands as a global leader in needle roller bearings, linear guidance systems, and compact precision bearing solutions for industrial and automotive applications.
INA's original innovation, delivering very high radial load capacity in an extremely compact cross-section.
Thin-walled, deep-drawn outer ring bearings for space-saving installations in gearboxes and mechanisms.
Premium performance grade with optimized surface finish and geometry for higher load ratings and longer service life.
Profiled rail guidance systems for high rigidity and precision in machine tools and automation.
High-precision combined bearings for rotary tables, indexing heads, and machining centers.
Valve train components INA pioneered in volume production for automotive engines.
Radial and axial needle bearings, needle roller and cage assemblies, and combined needle bearings.
Stud type and yoke type track rollers with thick-walled outer rings for cam and conveyor applications.
Rail guides, flat cage guidance, track roller guidance, shaft guidance, miniature guides, and complete linear modules.
Maintenance-free and lubricated GE series plain bearings and rod ends for pivoting and oscillating motion.
Axial angular contact ball bearings (ZKLF / ZKLN series) for ball screw support in machine tools.
Compact, high-rigidity bearings for robotics, rotary axes, and positioning systems.
Self-aligning bearing units with plummer block and flanged housings for agricultural and conveying equipment.
Full-complement and caged designs for high radial loads in compact spaces.
Automatic tensioning systems and pulleys for automotive timing and accessory belt drives.
Valve train components, roller clutches, and freewheel units for automotive powertrains.
Axial washers, locking elements, sealing rings, and spacers for complete bearing arrangements.
Access to Schaeffler monitoring solutions for early detection of bearing damage and reduced unplanned downtime.
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