Needle roller bearing NA4944 machined type single unit with inner ring and oil holes, high-carbon steel caged design, 220 mm ID x 300 mm OD x 80 mm width, NA49 metric series, 536000 N dynamic capacity

Machined needle roller bearing NA4944, single unit
✔️ 220 mm ID x 300 mm OD x 80 mm W; oil holes; caged, NA49

This is a machined-type needle roller bearing (single unit) with inner ring, ideal for heavy-duty shafts and industrial gearboxes where compact radial support is needed.

✅ Model: NA4944 (NA49 metric series)
✅ Inside diameter: 220 mm
✅ Outside diameter: 300 mm
✅ Width: 80 mm
✅ Material: High carbon steel, caged machined type
✅ Oil holes: yes; enclosure: open; inner ring included
✅ Dynamic load rating: 536000 N; Static load rating: 1200000 N
✅ Maximum speed: 1400 rpm; weight: 1.000 lb; sold as one bearing each

💡 What is a needle roller bearing used for in industrial equipment? This bearing is a handy choice for compact high-load radial support on rotating shafts. Short intro: Needle rollers pack high capacity in small axial space and suit tight-fit applications. - Ideal for tight radial spaces in gearboxes, transmissions, and linear slide unit applications - Works well where sealed ball bearing or ceramic alternatives are not suitable due to space or load needs - Commonly used on shafts, pulleys, and cams where oil hole lubrication and inner ring support are required