Machined needle roller bearing NA4913UU single unit, 65 mm ID x 90 mm OD x 25 mm width, caged high-carbon steel, oil hole feed, sealed with inner ring, NA49 metric series for linear slide units

Machined needle roller bearing, single sealed unit
✔️ 65 mm ID x 90 mm OD x 25 mm width, oil hole, inner ring

This is a machined-type needle roller bearing (single unit) for high-load shafts and linear slide units. Commonly used in industrial machinery, gearboxes, and precision slides where compact sealed radial support is required.

✅ 65 mm inside diameter (ID)
✅ 90 mm outside diameter (OD)
✅ 25 mm width, caged machined type
✅ High carbon steel race and rollers
✅ Oil hole feed and synthetic rubber seals
✅ Includes inner ring; NA49 metric series
✅ Dynamic load 56800 N; static 99800 N
✅ Max speed 3000 rpm; single bearing pack

💡 What is a needle roller bearing used for in heavy-duty linear slide unit applications?
Short answer: Needle roller bearings give compact, high-load radial support in tight spaces and are great for slide units that need sealed, oil-fed performance. - Provides compact radial support for shafts in linear slide units and heavy machinery - Acts as a sealed ball bearing alternative when space is limited and higher load capacity is needed - Oil-hole feed plus synthetic rubber seals improve lubrication and extend service life - Ideal for caged machined types in industrial automation and precision slides