NA498 Machined Needle Roller Bearing with Inner Ring and Oil Hole, High Carbon Steel, 8 mm ID x 19 mm OD x 11 mm Width, Caged NA49 Metric Series, Single Unit for Linear Slide Applications

NA498 machined needle roller bearing, 8 x 19 x 11 mm
✔️ High carbon steel caged bearing with oil hole, single unit

Compact machined needle roller bearing with inner ring, ideal for linear slide units, cam followers, and small gearboxes. Supplied as a single bearing pack for quick replacement and assembly.

✅ Inside diameter (ID): 8 mm
✅ Outside diameter (OD): 19 mm
✅ Width: 11 mm
✅ Material: high carbon steel, caged machined type with inner ring
✅ Lubrication: oil hole(s) included for relubrication
✅ Dynamic load capacity: 6180 N; static load capacity: 5030 N
✅ Max speed: 40,000 rpm; NA49 metric series; model NA498
✅ Pack size: single bearing; weight approx. 1.0 lb each

💡 What is a needle roller bearing used for in compact linear slide units and small gearboxes? Needle roller bearings are handy where radial space is limited but you still need strong load capacity. - Ideal for tight radial envelopes in linear slide unit designs and compact transmissions - Offers higher radial load capacity than many sealed ball bearing options per package size - Works well with relubrication via oil holes; not the same as ceramic alternatives but great for heavy radial loads