4mm ID Non-Flanged Ball Bearing (16mm OD, 4mm Thickness) - 2 Pack

Flanged ball bearings provide smooth, stable rotation of 4 mm diameter shafts in linear applications. High-carbon steel housing and balls ensure durability and minimal friction. The 4 mm inner diameter allows mounting using standard M4 screws.

• Weight: 4.3 g each
• Material: High-carbon steel
• Inner diameter: 4 mm
• Outer diameter: 16 mm
• Thickness: 4 mm

Ideal for linear applications where bearings are mounted on opposite sides of structures, such as the 1120 series U-channels, providing smooth, precise linear motion.