Amazon.co.jp: Durable 1-Piece 6205-2RZ Precision Motor Bearing Ball Bearing 6205-2RZ 1.0 x 2.0 x 0.6 inches (25 x 52 x 15 mm) High Speed Low Noise : Industrial & Scientific
Amazon.com: 6205ZZ High Precision Deep Groove Ball Bearing x 5Pc (6205ZZ, 5Pcs) : Industrial & Scientific