20Pcs 6801ZZ Deep Groove Ball Bearings 12X21X5Mm Double Shield Bearing

Description Package Include: 20 Pcs 6801ZZ Bearings (Inner Diameter=12mm, Outer Diameter=21mm, Thickness=5mm), speed rating about 1000-2000r/min, noise level is ZV1 Durable Construction: Made of a solid chrome steel structure, this bearing is strong, durable and wear-resistant. The dual dust-proof design ensures smooth, low-noise operation with minimal friction even at high speeds. Use it in high-demand occasions to avoid the trouble of repeated disassembly and maintenance Easy to Use: Double-shielded bearings offer a physical barrier against larger particles and moderate amounts of dirt or dust, extending the bearing's service life and maintaining optimal performance Note: Before purchasing, please confirm that the bearing specifications (ID, OD, width, seal type) are consistent with the equipment requirements 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 Specification Model: 6801ZZ Type: Double Shield Inner Race/Outer Race Material: Chrome Steel Cage Material: Metal Total Size: 12 x 21 x 5 mm/0.47 x 0.83 x 0.2 inch(ID*OD*T) Speed Rating: 1000-2000 r/min Noise Level: ZV1 Package Included: 20Pcs x Deep Groove Ball Bearings