Single machined caged needle roller RNA49/52: 60 mm I.D., 75 mm O.D., 22 mm width, high-carbon steel with oil holes, 1-row open metric unit for linear slide and shaft applications, high-speed

Single machined caged RNA49/52 needle roller 60×75×22
✔️ High-carbon steel, open 1-row, oil holes, 60 mm × 75 mm × 22 mm

This single machined caged needle roller (RNA49/52) is a metric open-type unit in high-carbon steel with oil holes. It's built for linear slide units, shafts and compact machines where low profile and strong radial support are needed.

✅ Model RNA49/52, RNA49 metric series
✅ Type: machined caged, 1-row open design
✅ Dimensions: I.D. 60 mm, O.D. 75 mm, Width 22 mm
✅ Material: high-carbon steel; oil holes for lubrication
✅ Load ratings: Dynamic 47100 N, Static 85100 N
✅ Max speed 6500 rpm; rows: 1; enclosure: open
✅ Weight 0.450 lb; UOM: each; SKU 862745

💡 What is a needle roller bearing used for in linear slide unit applications? Needle roller bearings are handy when you need compact radial load support in tight assemblies. - Gives high radial load capacity while keeping a low profile for linear slide unit and shaft guides - A good alternative to a sealed ball bearing when clearance is limited or load demands exceed ball options - Performs well in oil-fed, open housings; oil holes help with lubrication and longer service life