6210LLU 50x90x20 Sealed Ball Bearing6210LLU Sealed Ball Bearing 50mm x 90mm x 20mm 6210LLU Sealed Ball Bearing, 6210LLU bearing is made from Chrome Steel,6210LLU bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, 6210LLU bearing is self lubricated bearings, 6210LLU bearing is already greased. 6210LLU ball bearings Deep Groove Ball Bearing Closures: Rubber Sealed Material: Chrome Steel Size: 50mm x 90mm x 20mm Inner Diameter: 50mm Outer