Uxcell 8 Pack 4 X 16 X 5Mm 634ZZ Deep Groove Ball Bearings, ABEC5

Description Size & Packaging: Model: 634ZZ; Type: Double Shield; Inner Race/Outer Race Material: Chrome Steel; Cage Material: Metal; Total Size: 4 x 16 x 5mm/0.16 x 0.63 x 0.2inch(ID*OD*T); Accuracy Level: ABEC5; Noise Level: ZV3; Package Included: 8Pcs x Deep Groove Ball Bearings. Wide Application: Widely used in various small-scale applications, including RC cars, skateboards, inline skates, 3D Printers, and industrial machinery where compact size and smooth operation are required. 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. 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