Premium 61903-2RS Bearing 17x30x7mm - Sealed

61903-2RS Ball Bearing - Sealed Deep Groove
✔️ 17x30x7mm - Chrome Steel - One Bearing

The 61903-2RS is a slim, deep groove ball bearing built for smooth, low-friction performance in compact systems. Made from durable chrome steel and sealed on both sides, it's pre-lubricated and ideal for mechanical, commercial, and industrial applications.

✅ Inner diameter: 17mm
✅ Outer diameter: 30mm
✅ Width: 7mm
✅ Made from 52100 chrome steel
✅ Double rubber seals (2RS) to keep out dust and debris
✅ Pre-lubricated with grease for long life and easy installation
✅ Marked as: 6903RS / 61903RS
✅ Equivalent to: 61903-2RS1
✅ Sold as one bearing

💡 What makes thin-section ball bearings like 61903-2RS ideal for tight spaces?
Thin-section bearings are perfect when space and weight matter. They maintain strength and smooth rotation in slimmer designs - great for small motors, gearboxes, and tight mechanical assemblies.

A go-to bearing for lightweight precision systems that demand reliability and speed in a compact footprint.