Inner Ring LRTZ222818, Metric inner race 22 mm ID x 28 mm OD x 18 mm W, high carbon steel precision part for RNA49/22UU needle roller bearing, single piece, machined fit for linear slide units

Metric inner ring LRTZ222818, 22 x 28 x 18 mm, single
✔️ High carbon steel inner race, machined, fits RNA49/22UU, general use

This single metric inner ring is the precision race for needle roller assemblies, commonly used in linear slide units, machine tools, and general industrial equipment.

✅ Model: LRTZ222818, Metric Series LRTZ
✅ Inner diameter: 22 mm; Outer diameter: 28 mm; Width: 18 mm
✅ Material: High carbon steel, precision machined inner race
✅ Compatible with RNA49/22UU needle roller bearing assemblies
✅ Typical use: linear slide unit applications and general industrial maintenance
✅ Pack: single piece (each), SKU 861097, weight 0.070 lb

💡 What is an inner ring for a needle roller bearing used for in linear slide unit applications? An inner ring provides a hardened, precise raceway for needle rollers so the assembly handles radial loads and moves smoothly. Quick overview: - Acts as the load-bearing race in needle roller or sealed ball bearing setups, improving wear life and accuracy. - Handy for repair or upgrade jobs in linear slide units, compatible with ceramic or steel rolling elements. - Machined precision rings help maintain alignment and reduce friction in OEM and maintenance uses.