NA4907 Machined Needle Roller Bearing with Inner Ring and Oil Hole, High-Carbon Steel Caged Type, 35 mm ID x 55 mm OD x 20 mm Width, Metric NA49 Series, Single Piece

NA4907 machined needle roller bearing, single piece
✔️ 35 mm ID x 55 mm OD x 20 mm width, caged type, oil holes, inner ring

This machined NA4907 needle roller bearing is a single open caged unit made from high carbon steel with built-in oil holes and an inner ring. It's typically used in transmissions, gearboxes, pumps and linear slide unit assemblies where a compact radial bearing is needed.

✅ Model: NA4907, NA49 metric series
✅ Dimensions: 35 x 55 x 20 mm (ID x OD x width)
✅ Material: High carbon steel, caged machined type
✅ Load ratings: Dynamic 32,000 N, Static 50,100 N
✅ Max speed: 9,500 rpm, open enclosure with oil holes
✅ Pack: Single bearing, one piece, approx. 1.0 lb each

💡 What is a needle roller bearing used for in compact gearboxes and linear slide units? Needle roller bearings are a handy choice when you need high radial load capacity in a tight radial envelope, especially compared with sealed ball bearing or ceramic options. - Great for tight radial spaces in transmissions, pumps, and gearboxes - Works well in linear slide unit assemblies needing compact bearing support - Offers higher radial load capacity than sealed ball bearing of similar size - A cost-effective option for dense, high-load rolling-element support