Single Inner Ring LRT12013545, Metric Needle Roller Bearing Component for RNA4924, 120 mm ID x 135 mm OD x 45 mm Width, High Carbon Steel, Machined, General Purpose

Single metric inner ring LRT12013545 for bearings
✔️ 120 mm ID x 135 mm OD x 45 mm width, high carbon steel

This single inner ring is a machined metric component for RNA4924 needle roller bearing assemblies. It's commonly used in linear slide units, machine tools and light industrial gearboxes.

✅ Model: LRT12013545, LRT metric series, precision machined
✅ Inside diameter 120 mm, Outside 135 mm, Width 45 mm
✅ Material: high carbon steel, hardened raceway for rollers
✅ Fits RNA4924 needle roller bearing assemblies, linear slide unit use
✅ Single piece pack, weight approx 2.27 lb, suitable for maintenance

💡 What is an inner ring used for in needle roller bearing assemblies and linear slide units? An inner ring provides the hardened running surface for needle rollers and helps keep alignment in compact bearing systems. - Provides the raceway surface for needle rollers in needle roller bearings and linear slide unit applications. - Supports radial loads, reduces friction, and improves life in machine tools, conveyors, and gearboxes. - Works with machined inner rings, can be part of hybrid setups with sealed ball bearing elements or ceramic rollers for upgrades.