Metric inner ring IRT810 single piece, 8 mm ID x 12 mm OD x 10.5 mm width, high carbon steel shell-type component for needle roller assemblies and linear slide unit applications, fits TLA1210Z YTL1210

Metric inner ring IRT810 single part 8 mm x 12 mm x 10.5 mm
✔️ 8 mm ID, 12 mm OD, 10.5 mm W, shell-type inner ring

This single metric inner ring (IRT810) is a replacement component for shell-type needle roller bearings, commonly used in compact linear slide units, shafts, and machine tool assemblies.

✅ Model: IRT810, Metric series (single inner ring)
✅ Bore (ID): 8 mm; Outer diameter (OD): 12 mm; Width: 10.5 mm
✅ Material: high carbon steel for durability in bearing assemblies
✅ Fits shell-type needle roller housings; compatible with TLA1210Z and YTL1210
✅ Suited for linear slide units, radial guidance, and compact bearing setups

💡 What is the role of an inner ring in a shell-type needle roller bearing and why does it matter for linear slide unit performance? An inner ring provides a hardened, precise raceway for needle rollers so the bearing carries radial loads smoothly. Quick intro: That raceway keeps the shaft centered and reduces wear in tight clearances. - Improves load capacity and radial guidance in needle roller bearings and linear slide units - Simplifies assembly when paired with the correct shell-type housing and matching shaft - Handy for upgrades or comparisons with sealed ball bearing or ceramic options for different performance needs