Description Size & Packaging: Model: 6704 2RS; Type: Double Shield; Inner Race/Outer Race Material: Chrome Steel; Cage Material: Metal; Total Size: 20 x 27 x 4mm/0.79 x 1.06 x 0.16inch(ID*OD*T); Accuracy Level: ABEC5; Noise Level: ZV3; Package Included: 4Pcs x Deep Groove Ball Bearings. Wide Application: Double shield bearings are suitable for various lightweight equipment and instruments that require precision operation, such as motors, remote-controlled aircraft, pumps, fans, instruments, etc., and are widely used in industrial machinery, motorcycles, automobiles, power tools, mechanical equipment and other scenarios. Easy to Use: Double-shielded bearings offer a physical barrier to small foreign matter or dust from the outside, extending the service life of the bearing and maintaining optimal performance. Note: Before purchasing, please confirm that the bearing specifications (ID, OD, width, seal type) are consistent with the equipment requirements. Durable Construction: This deep groove ball bearing adopts a solid chrome steel structure and the cage is made of metal, which is strong, durable and wear-resistant. The double dust-proof bearing runs at high speed and has low friction. Use it in high-demand occasions to avoid the trouble of repeated disassembly and maintenance
