Single Machined Needle Roller Bearing NA4928, 140 mm ID x 190 mm OD x 50 mm Width, Caged Inner Ring with Oil Holes, High Carbon Steel, Heavy Duty Load Capacity, Open Type

Single machined needle roller bearing, NA4928
✔️ 140 mm ID x 190 mm OD x 50 mm Width, high carbon steel, oil holes

This single machined needle roller bearing NA4928 is a caged inner-ring, open-type unit used on heavy-load shafts, linear slide units, conveyors and industrial gearboxes.

✅ 140 mm inside diameter (ID)
✅ 190 mm outside diameter (OD)
✅ 50 mm width (W), caged machined type
✅ High carbon steel inner ring, oil holes included
✅ Dynamic load capacity 224000 N, static 580000 N
✅ Max speed 2500 rpm, NA49 metric series, open enclosure
✅ Single bearing unit, model NA4928, approx 1.0 lb each

💡 What is a needle roller bearing used for in high-load linear slide units? Needle roller bearings are handy when you need compact, high radial load support in tight spaces. - Ideal for heavy-duty linear slide units, machine tools, and industrial gearboxes for radial guidance - Offers lower friction and a smaller cross-section than sealed ball bearing setups when space is limited - Works well where ceramic or hybrid bearings aren’t required but high load capacity is needed