Five Pack 6903 Ball Bearings 17x30x7mm Sealed 2RS Stainless Steel ABEC 9 Pre Lubricated For Your Bike Use Heavy Duty Smooth Ride And Lasting Performance For All Weather Use And Long Lasting Durability

Premium 6903-2RS Sealed Bearings Pack of Five for Bikes
✔️ Five pack 17x30x7mm carbon steel ABEC 9 pre-lubricated sealed bearings

These 6903-2RS ball bearings come in a convenient five pack and work great in bike wheels hubs and other rotating parts that need smooth motion.

✅ Size measures 17mm inner 30mm outer and 7mm thick
✅ Sealed on both sides to hold lubricant inside
✅ Made from carbon steel for heavy load resistance
✅ ABEC 9 tolerance with pre-lubrication for easy upkeep

💡 What is a sealed ball bearing used for? Sealed ball bearings help reduce friction and protect moving parts in many machines and vehicles. - Handy for bike repairs where dust and moisture show up often - Keep lubricant contained so maintenance stays low over time - Support smooth spins in wheels and axles under daily loads