Machined caged needle roller RNA49/38UU for linear slide units, 45 mm ID x 58 mm OD x 20 mm width, high carbon steel, oil hole and seals, single unit, sealed performance

Machined caged needle roller 45x58x20 mm single unit
✔️ 45 mm ID x 58 mm OD x 20 mm W, high carbon steel, oil hole and seals

This single machined caged needle roller is a compact, high-load bearing used in linear slide units, conveyors, gearboxes and steering linkages where sealed lubrication and relubrication access are important.

✅ Model: RNA49/38UU, RNA49 metric series
✅ Type: Machined caged needle roller, single row
✅ Dimensions: 45 mm ID x 58 mm OD x 20 mm width
✅ Material: High carbon steel with synthetic rubber seals
✅ Load ratings: Dynamic 31600 N, Static 50400 N
✅ Speed & features: Max 4500 rpm, oil hole for relubrication
✅ Weight & SKU: 0.260 lb, SKU 862711

💡 What is a needle roller bearing used for in linear slide units and sealed applications? Needle roller bearings are handy when you need high radial load capacity in tight spaces and sealed operation. - Great for linear slide units and compact drives where a sealed ball bearing might be too bulky. - Ideal in conveyors, gearboxes, and steering linkages where oil hole relubrication and synthetic seals extend service life. - Choose needle rollers for higher load per width and sealed bearing performance in compact assemblies.