Single Machined Needle Roller Bearing RNA6909UU, 52 mm ID x 68 mm OD x 40 mm Width, High Carbon Steel Caged Type, Oil Hole with Synthetic Rubber Seals, Sealed design for Linear Slide Units and Shafts

Single machined needle roller bearing RNA6909UU
✔️ 52 mm ID x 68 mm OD x 40 mm W, high carbon steel, oil hole

This single sealed caged machined needle roller bearing is designed for industrial linear slide units and rotating shafts where compact, high radial load support is needed. It ships as one bearing, sealed and ready for installation.

✅ Model: RNA6909UU, caged machined type
✅ Inner diameter: 52 mm (ID)
✅ Outer diameter: 68 mm (OD)
✅ Width: 40 mm
✅ Material: high carbon steel, oil hole present
✅ Seals: synthetic rubber enclosure with seals
✅ Dynamic capacity: 66,600 N; Static capacity: 127,000 N
✅ Max speed: 3,500 rpm; weight ~0.780 lb each

💡 What is a needle roller bearing used for? Needle roller bearings are handy when you need high radial load capacity in a very compact footprint. Quick summary of typical uses and benefits: - Ideal for linear slide units and compact rotating shafts where a sealed ball bearing may be too large. - Common in transmissions, gearboxes and industrial slide mechanisms for high load, low-profile support. - Sealed designs with oil holes and rubber seals reduce maintenance and help extend service life.