R-4 Open Bearing 1/4" x 5/8" x 0.196" - Miniature

R-4 Open Ball Bearing
✔️ 1/4" x 5/8" x 0.196" inch

The R-4 open ball bearing is a compact deep groove bearing built for applications that need smooth rotation with minimal friction. It’s commonly used in electric motors, small tools, skate wheels, and mechanical devices where easy lubrication access is preferred.

✅ Type: Deep Groove Ball Bearing
✅ Closures: Open (no seals or shields)
✅ Material: Chrome Steel
✅ Inner Diameter: 1/4" inch
✅ Outer Diameter: 5/8" inch
✅ Width: 0.196" inch
✅ Quantity: 1 Bearing

💡 Why choose an open ball bearing design?
Open bearings allow direct lubrication and run cooler under light to moderate speeds.

• Easy to clean and re-lubricate for longer life

• Lower friction and smoother startup torque

• Perfect for applications with external lubrication systems

A simple, handy bearing that spins freely and keeps your projects rolling smooth every time.