Amazon.com: R8-2RS Rodamiento de bolas de ranura profunda, tamaño de pulgada 1/2 "x1-1/8 "x5/16", material de acero cromado de precisión, selección con 6 rodamientos R8RS para silla de ruedas molino o motor
R8-2RS Sealed Bearing 1/2 x 1 1/8 x 5/16 inch Ball Bearings: Deep Groove Ball Bearings: Amazon.com: Industrial & Scientific
Donepart 2 Pcs R8-2RS Bearings 1/2 Inch ID x 1-1/8 Inch OD x 5/16 Inch Thick Double Rubber Sealed and Pre-Lubricated Miniature Ball Bearing: Amazon.com: Industrial & Scientific
R8-2RS Ball Bearing 1/2 inch Small Bearing R8 Sealed Deep Groove Ball Bearing, Pre-Lubricated Roller Bearing 1/2" X 1 1/8" X 5/16": Amazon.com: Industrial & Scientific