RNA4907 Machined Caged Needle Roller Bearing, Single Unit, 42 mm ID x 55 mm OD x 20 mm Width, High Carbon Steel with Oil Hole, Open Type, Metric RNA49 Series

RNA4907 Caged Needle Roller Bearing, single unit
✔️ 42 mm ID x 55 mm OD x 20 mm W, high carbon steel, oil hole, open

This machined caged needle roller bearing (single bearing) is used in gearboxes, linear slide units, transmissions and compact rotary assemblies where slim radial support is needed.

✅ Model: RNA4907 (RNA49 Metric Series)
✅ Inner diameter: 42 mm
✅ Outer diameter: 55 mm
✅ Width: 20 mm
✅ Material: High carbon steel; open enclosure with oil hole
✅ Dynamic load capacity: 32000 N; Static load capacity: 50100 N
✅ Max speed: 9500 rpm; single-row, caged machined type
✅ Pack: single bearing; weight ~0.250 lb; for industrial use

💡 What is a caged needle roller bearing used for in industrial linear slide units and machinery? A caged needle roller bearing delivers compact radial support and low friction for tight assemblies. - Ideal for linear slide unit guides, compact gearbox shafts, and transmission links under high radial loads - A good alternative where a sealed ball bearing or ceramic option won’t fit due to space constraints - Handy for automated conveyors, machine tools, and pick-and-place equipment when oil access or oil holes are available