638-2RS Sealed Miniature Ball Bearing 8x28x9mm

638-2RS Sealed Ball Bearing
✔️ 8mm ID - 28mm OD - 9mm Width

This 638-2RS deep groove ball bearing is a standard-size, high-speed option with dual rubber seals and durable chrome steel construction. Perfect for various equipment in automation, electric motors, and small machinery setups.

✅ Pack size: 1 bearing
✅ Size: 8mm x 28mm x 9mm
✅ Type: Deep groove ball bearing
✅ Material: Chrome steel (52100 alloy)
✅ Closures: Rubber seals on both sides (2RS)
✅ Lubrication: Grease-filled, maintenance-free
✅ Dynamic load rating: 600 N
✅ Static load rating: 265 N
✅ Max speed (grease): 24,000 RPM

💡 What makes 2RS sealed ball bearings reliable for everyday machines?

1. Dual seals lock out dirt, debris, and moisture for extended lifespan.

2. Pre-greased design simplifies installation and reduces downtime.

3. Chrome steel body provides excellent strength and heat resistance.

A smooth-running, low-maintenance bearing built for reliable daily performance.