604ZZ/605ZZ~6707ZZ Portable 3mm~8mm Thickness Deep Groove Ball Bearing Miniature
● Size: 604ZZ/605ZZ~6707ZZ. High-quality Materials: Cylindrical Roller Bearings Are Usually Made of High-quality Bearing Steel, with High Hardness and Wear Resistance. ● Material: Bearing Steel. Good Interchangeability: the Separable Design Makes the Various Parts of the Bearing Have Good Interchangeability, Easy to Replace and Repair.