Machined needle roller bearing, 90 mm ID x 110 mm OD x 54 mm W, high carbon steel caged type, sealed with oil hole, RNA69 metric series for linear slide units, single bearing

Machined caged needle roller bearing, single unit
✔️ 90 mm (3.543 in) ID x 110 mm (4.331 in) OD x 54 mm (2.126 in), sealed

This machined caged needle roller bearing is a single-unit sealed bearing designed for compact shafts and heavy radial loading. Commonly used in linear slide units, transmissions, and industrial machine tools.

✅ 90 mm ID x 110 mm OD x 54 mm W (3.543 x 4.331 x 2.126 in) single unit
✅ Caged machined type, RNA69 metric series, model RNA6916UU
✅ High carbon steel construction with synthetic rubber seals and oil hole for relubrication
✅ Dynamic load capacity 132000 N; static 317000 N; maximum speed 2000 rpm
✅ Ideal for linear slide units, transmissions, gearboxes and machine tool guidance
✅ Weight ~2.22 lb; sold as one bearing (single pack); SKU: 863771

💡 What is a needle roller bearing used for in linear slide units and compact shaft applications? Needle roller bearings are used to handle high radial loads in tight, low-profile assemblies and are handy for compact shaft guidance. Quick take: Great for heavy radial support while keeping profile slim. - High radial load capacity for linear slide units, machine tools and gearboxes - Caged machined designs fit compact transmissions and tight shaft spaces - Sealed versions with oil holes allow easier relubrication and better contamination control