Machined caged needle roller bearing RNA4924 single unit 135 mm ID x 165 mm OD x 45 mm width high carbon steel with oil hole RNA49 metric series heavy duty industrial linear slide systems compatible

Machined caged needle roller bearing, single unit
✔️ 135 mm ID x 165 mm OD x 45 mm width, high carbon steel, oil hole

A single machined caged needle roller bearing built for heavy industrial shafts and linear slide unit applications, ideal for presses, conveyors, and gearbox assemblies.

✅ Model: RNA4924 (RNA49 Metric Series)
✅ Type: Caged machined needle roller, 1 row, open enclosure
✅ Dimensions: 135 mm ID x 165 mm OD x 45 mm width
✅ Material: High carbon steel, with oil hole for lubrication
✅ Load ratings: Dynamic 187000 N, Static 435000 N
✅ Max speed: 3000 rpm; weight: 4.250 lb; sold as single bearing

💡 What is a needle roller bearing used for in heavy-duty linear slide units? Needle roller bearings give compact radial support and high load capacity where space is tight. Handy for supporting shafts in constrained assemblies and reducing friction for smoother motion. - Provides high load support in linear slide unit, press, and conveyor applications for long life and stability. - Lower cross-section than sealed ball bearing types, so it fits tight assemblies better than larger rollers. - Works well with oil-fed lubrication; a practical option when ceramic alternatives are not required.