NA4913 machined needle roller bearing inner ring, single bearing, 65 mm ID x 90 mm OD x 25 mm width, oil holes, caged machined type, high carbon steel, NA49 metric series for linear slide units and shafts

Single machined needle roller bearing NA4913, 65x90x25 mm
✔️ 65 mm ID x 90 mm OD x 25 mm width; oil holes; high carbon steel; caged

This single NA4913 machined-type needle roller bearing includes an inner ring and is built for high radial loads in compact industrial shafts, gearboxes, and linear slide unit applications where relubrication access is required.

✅ Model: NA4913 (NA49 metric series)
✅ Type: Machined, caged needle roller bearing with inner ring
✅ Dimensions: 65 mm ID x 90 mm OD x 25 mm width
✅ Material: High carbon steel, open enclosure with oil holes for relubrication
✅ Load Capacity: Dynamic 62,700 N; Static 113,000 N
✅ Max Speed: 5,500 rpm; Weight: 1.000 lb; Pack: single bearing included

💡 What is a needle roller bearing used for in industrial shafts and linear slide units? A needle roller bearing is a handy solution when you need high radial load capacity in a tight space. Short intro: these bearings support shafts and sliding components with low cross-section profiles. - They give high load-bearing capacity for compact shafts and are often used in gearboxes, transmissions, and linear slide units - Compared to a sealed ball bearing, needle rollers are better for high radial loads but need relubrication and access to oil holes - They work well with pillow block adapters and linear slide assemblies where space is limited and high radial stiffness is required