Machined needle roller bearing NA4844, 220 mm ID, 270 mm OD, 60 mm width, high-carbon steel inner ring with oil holes, caged NA48 metric series, open enclosure

Machined needle roller bearing, 220x270x60 mm, single unit
✔️ High-carbon steel, 220 mm ID, 270 mm OD, 60 mm width, caged, oil holes

This machined NA4844 needle roller bearing (single unit) is an open caged inner-ring unit for heavy radial loads. It's commonly used in automotive gearboxes, industrial drives, and linear slide unit assemblies.

✅ Model: NA4844 (NA48 metric series)
✅ Inside diameter: 220 mm
✅ Outside diameter: 270 mm
✅ Width: 60 mm
✅ Material: high-carbon steel, machined inner ring
✅ Features: caged machined type, oil holes, open enclosure
✅ Dynamic load capacity: 266000 N; Static capacity: 833000 N
✅ Maximum speed: 1500 rpm; Weight: approx 1.0 lb each

💡 How are needle roller bearings used in linear slide unit assemblies? They provide compact, high-capacity radial support in tight-shaft applications. - Ideal for low-profile, high-load needs in a linear slide unit or compact actuator - Can be paired with a sealed ball bearing or ceramic guide elements for optimized friction control - Commonly found in transmissions, conveyors, and pillow block style housings; handy for tight spaces