RNA6913 Machined Needle Roller Unit, Caged Two-Row Open Type, 72 mm ID x 90 mm OD x 45 mm Width, High Carbon Steel with Oil Holes, Single Bearing Pack

Single RNA6913 machined needle roller bearing pack
✔️ 72 mm ID x 90 mm OD x 45 mm W, two-row caged, oil holes

This single RNA6913 machined needle roller bearing is a caged two-row open unit made from high carbon steel with oil holes for lubrication. It fits compact linear slide unit assemblies, gearboxes, and high-load shafts where radial space is limited.

✅ Model: RNA6913 (RNA69 metric series)
✅ Inner diameter 72 mm, outer diameter 90 mm, width 45 mm
✅ Caged machined two-row open type with oil holes for grease or oil
✅ Material: high carbon steel; dynamic load 108000 N; static 227000 N
✅ Maximum speed 5500 rpm; weight 1.29 lb; single bearing pack

💡 What are the advantages of caged needle roller bearings for linear slide units and compact gearboxes? They deliver high radial load capacity in tight spaces and are handy for precision guidance. - High load per footprint, ideal where a sealed ball bearing would be too bulky - Suited for linear slide unit assemblies and compact gearbox shafts with limited radial clearance - Oil hole lubrication supports longer life and offers a cost-effective alternative to ceramic bearings