Machined caged needle roller bearing RNA4920UU single unit, 115 mm ID x 149 mm OD x 40 mm W, high carbon steel, with oil hole and seals, ideal for shaft mounts and linear slide unit applications

Single machined caged needle roller bearing, RNA4920UU
✔️ 115 mm ID x 149 mm OD x 40 mm W; sealed with oil hole; HCS

This single RNA4920UU caged needle roller bearing is a machined, sealed roller designed for shaft mounting and linear slide unit applications, commonly used in industrial gearboxes, conveyors, and machine tools.

✅ Model: RNA4920UU
✅ Type: Caged machined needle roller
✅ Dimensions: 115 mm ID x 149 mm OD x 40 mm W
✅ Material: High carbon steel; seal material: synthetic rubber
✅ Enclosure: With seals; oil hole included
✅ Dynamic load capacity: 134000 N; Static load capacity: 297000 N
✅ Maximum speed: 1700 rpm; Rows: 1; Series: RNA49
✅ Pack: single unit (each); ideal for shaft mounts and repairs

💡 What is a needle roller bearing used for in linear slide unit and shaft mounting applications?

Needle roller bearings provide high radial load capacity in a compact package and are really handy when space and stiffness matter. Here’s how they help: - High radial load support for sealed bearing and sealed ball bearing style setups - Compact profile for linear slide unit integration and tight shaft mounts - Sealed designs reduce contamination and ease maintenance in industrial gearboxes - Easy replacement option versus pillow block or cylindrical roller equivalents