Needle Roller Bearing Inner Ring LRT300340118, Metric 300 mm ID x 340 mm OD x 118 mm Width, High Carbon Steel race for General Use, Fits RNA4906 & RNAF354517, Single Piece

Metric needle roller bearing inner ring, 300x340x118 mm
✔️ 300 mm ID x 340 mm OD x 118 mm width; high carbon steel race, single unit

This machined metric inner ring (LRT300340118) fits needle roller bearing assemblies and is commonly used in industrial machinery, machine tools, and linear slide unit guides. Sold as a single piece for direct replacement.

✅ Model: LRT300340118, Metric LRT series inner ring, machined
✅ Dimensions: 300 mm ID x 340 mm OD x 118 mm width
✅ Material: High carbon steel, hardened running surface
✅ Bore type: Tapered; designed to assemble with RNA4906 and RNAF354517
✅ Application: Needle roller bearing systems, linear slide units, machine tools and guided motion
✅ Pack: Single piece (each); weight approx 39.6 lb

💡 What is an inner ring for needle roller bearings used for in linear slide unit and guide assemblies? It provides the hardened raceway so needle rollers run smoothly and shafts avoid direct wear. - A handy low-profile inner race option for compact needle roller bearing setups. - Common in linear slide units, machine tools, automation, and guided motion systems. - Often used alongside sealed ball bearing housings or ceramic roller components to improve durability.