Machined needle roller bearing NA4912 60 mm ID x 85 mm OD x 25 mm W, high carbon steel inner ring with oil holes, caged design for industrial shafts and linear slide units, metric NA49 single unit

Machined NA4912 needle roller bearing 60 x 85 x 25 mm
✔️ Single bearing; high carbon steel inner ring; oil holes; 60k N

This machined-type needle roller bearing (NA4912) is a single industrial caged unit used on compact shafts, linear slide units, gearboxes and other high-load, low-profile assemblies.

✅ Model NA4912, NA49 metric series, machined caged type
✅ Bore (I.D.) 60 mm; O.D. 85 mm; Width 25 mm
✅ High carbon steel inner ring; open enclosure with oil holes
✅ Dynamic load capacity 60,200 N; static capacity 105,000 N
✅ Max speed 6,000 rpm; suited for industrial shafts and linear slide units

💡 What is a needle roller bearing used for in linear slide units and compact shaft assemblies? Needle roller bearings support high radial loads in tight spaces and are handy when low profile and high load capacity matter. - Supports heavy radial loads with a slim cross-section for compact shafts and linear slide units. - Ideal for gearboxes, transmissions, actuator shafts, and compact bearing housings where sealed ball bearing or ceramic options don't fit. - Machined caged types with oil holes work well in oil-fed systems and simplify maintenance.