NA4918UU Machined Needle Roller Bearing, Single Unit, 90 mm ID x 125 mm OD x 35 mm Width, High Carbon Steel, Caged Inner Ring, Oil Hole, Sealed Bearing for Linear Slide Unit and Rotary Use

Machined NA4918UU needle roller bearing, single unit
✔️ 90 mm ID x 125 mm OD x 35 mm W, high carbon steel, sealed

This single NA4918UU machined needle roller bearing is a sealed, caged unit with inner ring and oil hole. It's handy for linear slide units, gearbox shafts, and other rotary or sliding machinery.

✅ Model: NA4918UU
✅ Type: Caged machined needle roller bearing with inner ring
✅ Inner diameter: 90 mm
✅ Outer diameter: 125 mm
✅ Width: 35 mm
✅ Material: High carbon steel, seal: synthetic rubber
✅ Dynamic load capacity: 106000 N; Static load capacity: 238000 N
✅ Max speed: 1800 rpm; oil hole included
✅ Pack: single bearing (1 unit); weight ~1.0 lb

💡 What is a needle roller bearing used for in linear slide units? Needle roller bearings are handy when space is tight but you still need high radial load capacity. - Ideal for compact, high-load radial support in linear slide units and shaft assemblies. - Often used instead of sealed ball bearing types in low-profile applications; ceramic options exist for higher speed or lower friction needs. - Works well in sealed assemblies, gearboxes, and rotary components where oil holes and inner rings are required.