Single NART40UUR roller follower for linear slide units, metric 40 mm inside diameter, non-separable caged needle type, sealed bearing in high carbon chrome steel with oil hole and crowned outer surface for cam drives

Single sealed roller follower with 40 mm ID
✔️ Non-separable caged type, sealed steel, oil hole, crowned

This metric NART40UUR roller follower is a sealed, caged needle-type bearing used in cam drives, conveyors and linear slide units for guided motion and repeated load cycles.

✅ Model: NART40UUR single bearing, metric 40 mm inside diameter
✅ Type: Non-separable caged needle roller follower, sealed design
✅ Material: High carbon chrome steel with crowned outer surface
✅ Feature: Oil hole for lubrication access, sealed to resist contamination
✅ Fits: Linear slide units, cam drives and guide rails for guided motion
✅ Pack: 1 bearing per unit, weight approx 1.860 lb, SKU 863334

💡 What is a roller follower used for in cam systems and linear slide units? Roller followers turn rotary profiles into guided linear motion while reducing friction and wear. - Handles rolling contact loads in cam followers, reducing friction compared with sliding contacts. - Commonly used on linear slide units and guide rails where sealed bearings help keep out contaminants. - Preferred when crowned outer surfaces and lubrication points like oil holes improve life and tracking.