6910UU Sealed Ball Bearing 50x72x12mm throwout bearing ✅ Balls: Si₃N₄ silicon nitride

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6910UU Sealed Ball Bearing 50x72x12mm throwout bearing ✅ Balls: Si₃N₄ silicon nitride6910UU Sealed Ball Bearing 50mm x 72mm x 12mm 6910UU Sealed Ball Bearing, 6910UU bearing is made from Chrome Steel,6910UU bearing has Rubber seals to protect the bearing from dust or any possible contamination, 6910UU bearing is self lubricated bearings, 6910UU bearing is already greased. 6910UU Ball Bearing Deep Groove Ball Bearing Closures: Two Rubber Seals Material: Chrome Steel Size: 50mm x 72mm x 12mm Inner Diameter: 50mm Outer Diameter: 72mm