Machined Needle Roller Bearing NA4918, Single caged inner ring, 90×125×35 mm, high carbon steel with oil holes, NA49 metric series, 4000 rpm max, ideal for linear slides and heavy radial loads

Single machined needle roller bearing 90×125×35 mm
✔️ 90×125×35 mm; caged inner ring; high carbon steel; oil holes

Sold as a single bearing, this machined caged needle roller unit fits compact shafts and linear slide unit setups in industrial and automotive equipment.

✅ Model NA4918, NA49 metric series, machined caged type
✅ ID 90 mm × OD 125 mm × Width 35 mm, inner ring included
✅ Material high carbon steel, open enclosure, oil holes for lubrication
✅ Dynamic load 113000 N, static load 258000 N, max speed 4000 rpm
✅ Single bearing, SKU 1912020, weight approx 1.0 lb

💡 What is a needle roller bearing used for in linear slide units and compact shaft applications? They’re handy for supporting high radial loads in tight spaces while keeping friction low. - Supports heavy radial loads on compact shafts and in linear slide units, acting like a slim sealed ball bearing option. - Good where low-profile bearings are needed for industrial machinery, automotive drivetrains, and precision slides; can be an alternative to ceramic options. - Caged machined types with oil holes simplify lubrication and maintenance for longer service life.