Single needle roller cage KT212611C3 21 mm ID 26 mm OD 11 mm width high carbon steel C3 tolerance for linear slide unit and sealed ball bearing applications

Single needle roller cage KT212611C3, 21 mm ID
✔️ OD 26 mm; width 11 mm; 21 mm ID; high carbon steel; C3 tolerance

This single needle roller cage is a single bearing component used inside needle bearings and linear slide units, typically found in compact machinery, gearboxes, and small motor shafts.

✅ Part number KT212611C3
✅ Inner diameter (ID) 21 mm
✅ Outer diameter (OD) 26 mm
✅ Width 11 mm
✅ Material high carbon steel
✅ Tolerance C3 clearance for controlled radial play

💡 What is a needle roller cage used for in linear slide units and compact bearing assemblies? A short answer: it keeps needle rollers spaced and supports radial loads in tight areas, making it a handy internal part for compact motion systems. - Holds and guides needle rollers to reduce friction and wear for smoother motion in linear slide unit or shaft guides. - Works with sealed ball bearing or needle bearing setups; C3 clearance and high carbon steel boost longevity under load. - Favored in small motors, gearboxes, automation, and other compact assemblies where radial support and space savings matter.