Single Inner Ring LRTZ12013546 Metric 120 mm ID x 135 mm OD x 46 mm Width, High Carbon Steel Machined Race for RNA4924UU Needle Roller Bearing Assembly, ideal for linear slide units

Single inner ring LRTZ12013546, 120x135x46 mm needle roller
✔️ 120 mm ID x 135 mm OD x 46 mm W, high carbon steel, machined

This single machined inner ring is a precision replacement part for needle roller bearing assemblies and linear slide units. It pairs with RNA4924UU machined-type needle roller bearings for general industrial and automation use.

✅ Inner diameter: 120 mm
✅ Outer diameter: 135 mm
✅ Width: 46 mm
✅ Material: High carbon steel, machined race
✅ Bore type: Chamfered inner bore
✅ Oil hole: None
✅ Series: LRTZ metric series
✅ Compatible with: RNA4924UU machined needle roller bearing
✅ Pack size: Single inner ring, sold individually
✅ Weight: 2.31 lb

💡 How does an inner ring support a needle roller bearing in linear slide units? An inner ring provides the hardened running surface rollers ride on and keeps everything aligned under load. - Acts as the raceway to reduce friction in needle roller bearings and linear slide unit setups - Maintains preload and alignment in machined-type bearing assemblies and sealed ball bearing systems - High carbon steel machined races improve wear resistance in automation and industrial applications