NA6909UU Single Needle Roller Machined Caged Bearing 45 mm ID x 68 mm OD x 40 mm Width High Carbon Steel Sealed with Oil Hole Inner Ring NA69 Metric Series for Linear Slide Unit

Single NA6909UU needle roller bearing 45 mm x 68 mm x 40 mm
✔️ Machined caged, high carbon steel, seals, oil hole, 3500 rpm max

This single NA6909UU needle roller bearing is a machined caged sealed unit with an inner ring, ideal for compact linear slide units, transmissions and industrial actuators that need high radial load capacity in tight spaces.

✅ 45 mm ID x 68 mm OD x 40 mm width
✅ High carbon steel material
✅ NA69 metric series, model NA6909UU
✅ Caged machined type with inner ring
✅ Seals included; seal material: synthetic rubber
✅ Oil hole provided for lubrication
✅ Dynamic load 66600 N; static load 127000 N
✅ Max speed 3500 rpm; single bearing pack

💡 What is a needle roller bearing used for in linear slide units? Needle roller bearings give high radial load support in compact shafts, making them a handy choice for tight-motion assemblies. - High radial load capacity in a small cross-section for linear slide unit shafts - Low friction for smoother linear motion and longer service life in actuators and guides - Sealed bearing options with inner ring and lubrication ports help maintenance and contamination resistance