RNA49/38 Machined Caged Needle Roller 45 mm ID 58 mm OD 20 mm Width Single Bearing, High Carbon Steel with Oil Hole for Linear Slide Unit, Sealed Ball Bearing Replacement, Precision Machinery

Regular price $67.99 Sale price$100.00you save $32.01
SKU: 862320
UPC: 00193019896822





Single RNA49/38 machined caged needle roller, 45 mm
✔️ 45 mm ID, 58 mm OD, 20 mm W, high carbon steel, oil hole

This single machined caged needle roller bearing RNA49/38 is an open oil-hole unit for lubricated radial support in linear slide units, guide rails, and compact precision machinery.

✅ Model: RNA49/38, RNA49 Metric Series
✅ Type: Caged machined needle roller, open with oil holes
✅ Dimensions: 45 mm ID, 58 mm OD, 20 mm width
✅ Material: High carbon steel; weight 0.260 lb; pack: single each
✅ Load ratings: Dynamic 33,600 N, Static 54,600 N
✅ Max speed: 9,000 rpm; 1 row; suitable for linear slide units and sealed ball bearing replacement

💡 What is a needle roller bearing used for? Needle roller bearings give compact high-load radial support in tight spaces. - Ideal for linear slide unit and guide rail applications needing space-saving loads. - Works well as an alternative to sealed ball bearings or with ceramic components for reduced friction. - Oil-hole designs enable easier lubrication for higher rpm and longer service life.