This NKX bearing inner ring is a single piece designed for needle roller bearing assemblies. It is offered in multiple size options to fit NKX outer rings and various shaft diameters, including the 10/12, 15/17, 20/25, 30/35, 40/45, 50, and 60/70 sizes (inner circle options 10/12). Key benefits Precise fit for NKX needle roller bearing systems, enabling accurate alignment and reduced play. load capacity in a compact form factor, ideal for space constrained applications. Easy replacement to restore performance and extend bearing life in existing equipment. Machined to meet NKX specification standards for reliable, smooth operation. Suitable for speed operation with consistent performance and low maintenance needs. Key attributes Type: NKX bearing inner ring (single piece) Sizes: 10/12, 15/17, 20/25, 30/35, 40/45, 50, 60/70 Inner circle options: 10 and 12 (as indicated by the 60/70 size grouping) Functionality: inner ring compatible with NKX needle roller bearing assemblies Compatibility: designed to fit NKX series bearings and corresponding outer rings for proper mating and load distribution Material and finish: manufactured to NKX specifications (precise material not specified) Performance: engineered for reliable radial guidance, reduced shaft wear, and durable service in demanding applications Two to three use cases Replacement in CNC machines or robotic actuators where compact NKX needle roller bearings require a precise inner ring to maintain shaft alignment and load distribution. Refurbishment of compact gearboxes or servo motor housings that use NKX inner rings to support speed rotation with load across small footprints. OEM replacement part for machinery using NKX needle roller bearing assemblies, helping restore smooth operation and extend service life without redesigning the bearing layout. Installation and care notes Verify the bore pairing matches the NKX outer ring and shaft diameter before installation. Use proper pressfit procedures to avoid damaging the inner ring or surrounding components. Ensure cleanliness during handling and installation to prevent contamination that could affect performance. Inspect the mating surfaces for wear and ensure correct alignment to maintain bearing efficiency and longevity. This listing provides a single inner ring suitable for NKX needle roller bearing configurations, available in multiple size options to support a wide range of applications.