Machined Caged Needle Roller Bearing RNA493 Single Unit, 5 mm ID x 11 mm OD x 10 mm Width, High Carbon Steel with Oil Hole, RNA49 Metric Series, 2420 N Dynamic Load, 80,000 RPM, for Linear Slide Unit

RNA493 machined caged needle roller bearing, single unit
✔️ 5 mm ID x 11 mm OD x 10 mm W, high-carbon steel, oil hole, single

This single machined caged needle roller bearing provides compact radial support for linear slide units, small gearboxes and rotary shafts where space is limited and load capacity matters.

✅ Model: RNA493 (RNA49 Metric Series)
✅ Inner diameter: 5 mm; Outer diameter: 11 mm; Width: 10 mm
✅ Material: high carbon steel, machined caged type
✅ Oil hole included for lubrication; open enclosure
✅ Dynamic load capacity: 2420 N; Static load capacity: 1950 N
✅ Maximum speed: 80,000 rpm; single-row needle rollers
✅ Pack: single bearing, sold each unit; SKU 862030

💡 What is a needle roller bearing used for in linear slide units? Needle roller bearings give high radial load support in low-profile systems, making them a handy option when you need compact, high-capacity support. Quick overview: - Supports heavy radial loads in tight radial spaces typical of linear slide unit and rotary shaft setups. - Suited for precision machinery and small gearboxes where sealed ball bearing size is too large. - Oil-hole designs simplify lubrication and maintenance for longer service life.