Needle Roller Machined Type RNA6916 Double-Row Caged Assembly 90 mm ID x 110 mm OD x 54 mm Width High Carbon Steel with Oil Holes for Linear Slide Systems, sealed ball bearing or ceramic alternatives

Single machined double-row needle roller bearing RNA6916
✔️ 90 mm ID x 110 mm OD x 54 mm width, high carbon steel, oil holes

This single RNA6916 machined needle roller bearing is a caged, double-row unit for heavy radial loads and linear slide systems, commonly used in machine tools, transmissions, and industrial guides.

✅ RNA6916 model: caged machined double-row
✅ Dimensions: 90 mm ID x 110 mm OD x 54 mm width
✅ Material: high carbon steel, open enclosure with oil holes for lubrication
✅ Dynamic capacity 143000 N, static capacity 351000 N
✅ Max speed 4500 rpm, number of rows 2, series RNA69
✅ Pack: single bearing for one-off replacement or prototype builds

💡 What are needle roller bearings used for in linear slide units and heavy load shafts? Needle rollers are handy when you need a compact bearing that carries high radial loads with a low profile. - Great for linear slide units where space is tight and load capacity outperforms sealed ball bearing options. - Common in gearboxes, transmission shafts, and machine tool guides as a heavy-duty load solution. - Opt for machined, caged types with oil holes for easier lubrication and routine maintenance.