Machined Caged Needle Roller Bearing RNA4903 22 mm ID x 30 mm OD x 13 mm Width, High Carbon Steel, Open Type with Oil Hole, RNA49 Metric Series, Single Unit for Rotary Shafts and Linear Slide Systems

Single machined caged needle roller bearing, RNA4903
✔️ 22 mm ID x 30 mm OD x 13 mm W, high carbon steel, oil hole

This single machined caged needle roller bearing is built for compact rotary shafts and linear slide systems in industrial and automotive setups.

✅ RNA4903 machined caged needle roller bearing, open type, 1 row
✅ Dimensions: 22 mm ID x 30 mm OD x 13 mm width
✅ Material: high carbon steel; oil holes for lubrication
✅ Dynamic capacity 11700 N; static capacity 15600 N; max 18000 rpm
✅ Series RNA49; ideal for rotary shafts, linear slide unit applications
✅ Single bearing sold each; compact, low profile solution

💡 What is a needle roller bearing used for in linear slide units and compact rotary shafts? Needle roller bearings are handy when you need high radial load capacity in a very slim package. Quick take: - Handles high radial loads in tight assemblies, making it ideal for linear slide unit guides and compact rotary shafts - Offers a smaller cross-section than sealed ball bearing options while maintaining strong load capacity - Consider ceramic or sealed ball bearing alternatives for reduced friction, corrosion resistance, or sealed protection