Single NA6910UU machined needle roller bearing, 50 mm ID x 72 mm OD x 40 mm width, caged precision type, high carbon steel, oil hole and seals, inner ring included, NA69 metric series

Single machined needle roller bearing 50x72x40 mm
✔️ ID 50 mm, OD 72 mm, Width 40 mm; caged precision, oil hole sealed

This single NA6910UU machined needle roller bearing is a sealed, caged unit with an inner ring for heavy radial loads in compact assemblies. Common uses include gearboxes, transmissions, linear slide units and machine tools.

✅ Model: NA6910UU, NA69 metric series
✅ Type: caged machined needle roller with inner ring included
✅ Dimensions: ID 50 mm, OD 72 mm, Width 40 mm
✅ Material: high carbon steel; seal: synthetic rubber; oil hole present
✅ Dynamic load capacity 70,800 N; Static capacity 142,000 N; Max speed 3,500 rpm
✅ Approx. weight 454 g; sold as a single bearing unit

💡 What is a machined needle roller bearing used for in linear slide units? It gives compact, high-radial-load support where space is limited. - Handy for reducing friction on linear slide unit rails and shafts for smoother motion - Delivers higher radial capacity than many sealed ball bearing or ceramic options in tight spaces - Inner ring plus oil hole allow straightforward lubrication management for longer life - Ideal for applications like gearboxes, transmissions, and machine tool slides requiring compact bearing solutions