Single Machined Needle Roller Bearing NA6906UU 30 mm ID x 47 mm OD x 30 mm Width, Caged High Carbon Steel with Oil Hole, Seals and Inner Ring for sealed bearing and linear slide unit use

Single NA6906UU needle roller bearing 30 x 47 x 30 mm
✔️ Caged machined type, high carbon steel, oil hole, seals

This single-pack machined needle roller bearing NA6906UU is a sealed caged unit with inner ring and oil hole, made from high carbon steel. It's used in linear slide unit guides, gearbox shafts, and compact rotary mechanisms that need a sealed bearing.

✅ ID 30 mm, OD 47 mm, Width 30 mm
✅ Caged machined type, NA69 metric series
✅ Material: High carbon steel; inner ring included
✅ Enclosure: Seals with synthetic rubber, oil hole present
✅ Dynamic capacity 40100 N; Static capacity 63000 N
✅ Max speed 5500 rpm; single bearing pack

💡 What is a needle roller bearing used for in linear slide unit and compact gearbox applications? They deliver high radial load capacity in tight radial spaces, making them a go-to sealed bearing choice for guides and shafts. Here's why they're handy and how to select the right type: - High load, low profile: ideal when space is limited and stiffness matters. - Choose sealed units with oil holes for contamination resistance and easier lubrication. - For higher-speed or lower-friction needs, consider ceramic ball bearings as an alternative. - Match series, inner ring, and caged machined type to your shaft and linear slide unit specs.