Sealed Ball Bearing 25mm x 42mm x 9mm AB Sealed Deep Groove Chrome Steel 52100 Alloy High Durability And Low Friction Inner Diameter 25mm Outer Diameter 42mm Width 9mm Ideal For Hobby Automotive And Industrial Equipment

This sealed ball bearing provides smooth rotation in compact setups and is a staple in machinery, robotics, and hobby projects.

✅ Inner diameter: 25 mm
✅ Outer diameter: 42 mm
✅ Width: 9 mm
✅ Material: chrome steel 52100
✅ Seals: rubber seals
✅ Lubrication: pre-lubed grease

💡 What is a sealed ball bearing used for in mechanical assemblies? These handy parts reduce friction, support radial loads, and keep contaminants out in a variety of equipment. - Reduces wear and energy loss in rotating shafts - Ideal for hobby robotics, conveyors, and small machinery - Sealed design helps retain lubricant and resist dust - Easy replacement in metric 25x42x9 mm size