Single NA4920UU Machined Needle Roller Bearing - 100 mm ID x 140 mm OD x 40 mm Width, High-Carbon Steel, Oil Hole, Precision Radial Support for Linear Slide Unit, Sealed Ball Bearing Alternative

Single NA4920UU needle bearing 100x140x40 mm
✔️ Machined type, high-carbon steel, oil hole, radial support, precision

This single NA4920UU machined needle roller bearing is a compact radial support used in gearboxes, transmissions, linear slide units and industrial machinery for high-load, low-profile applications.

✅ Single bearing (pack of 1), labeled NA4920UU
✅ ID 100 mm, OD 140 mm, Width 40 mm
✅ High-carbon steel construction, machined raceway, oil hole
✅ Needle roller design for compact radial load support
✅ Fits linear slide unit setups; sealed ball bearing alternative
✅ Ideal for gearboxes, transmissions, and industrial machinery

💡 What is a needle roller bearing used for in compact linear slide units and radial supports? Needle roller bearings are handy when you need a thin-profile bearing that still handles high radial loads. - Thin-section radial support for tight spaces in linear slide units and shafts - Higher load capacity per diameter compared with many sealed ball bearing options - Suitable for machined housings with oil holes for straightforward lubrication