Machined Needle Roller Bearing NA4903UU Single Sealed Caged Inner Ring 17 mm ID x 30 mm OD x 13 mm W, High-Carbon Steel, Oil Hole NA49 Metric Series for Linear Slide Unit

Single machined needle roller bearing 17 x 30 x 13 mm
✔️ High-carbon steel, oil hole, seals, caged, inner ring

This is a single machined-type needle roller bearing with seals and an inner ring, ideal for compact linear slide units, shafts, and precision linkage applications.

✅ Model: NA4903UU, NA49 Metric Series
✅ Type: Caged machined needle roller bearing with inner ring
✅ Dimensions: ID 17 mm, OD 30 mm, Width 13 mm
✅ Material: High-carbon steel, sealed with synthetic rubber
✅ Oil hole: Provides lubrication access for longer service life
✅ Load rating: Dynamic 10300 N, Static 13100 N
✅ Max speed: 7500 rpm; pack: single bearing, weight ~1.000 lb each
✅ Common uses: linear slide unit, compact shafts, actuator assemblies

💡 What is a machined needle roller bearing used for in compact linear slide units and shaft assemblies? It delivers high radial load capacity in tight spaces and is handy for compact motion control systems. Good fit when you need: - High radial support for linear slide unit and linear guide applications - Sealed ball bearing style performance with inner ring and oil hole for easier maintenance - Compact shaft, actuator link, and precision machinery compatibility