4Pcs S693ZZ Deep Groove Ball Bearing, 3X8X4Mm Double Shielded Ball Bearings

Description: Durable Material: These deep groove ball bearings are made of quality 304 stainless steel, offering excellent resistance to deformation, water and rust resistance, high-speed and high-temperature resistance, and wear resistance, ensuring the durability and stability of the ball bearings. Double-Sided Seal: This ball bearing features a double-sided seal design that effectively prevents lubricant leakage and dust and moisture ingress, protecting the bearing's working parts, extending its service life, and maintaining optimal performance. Reduced Friction: Designed to reduce rotational friction, this bearing features low frictional resistance, high speed, smooth operation, and no noise, and can withstand radial and axial loads, achieving smooth, low-noise rotation of machinery or equipment. Wide Application: Double metal sealed ball bearings are widely used in various skateboards, inline skates, electric skateboards, remote-controlled cars, printers, lawnmowers, and other equipment, as well as in food machinery, marine and fishing gear, and outdoor products. Selecting Guide: Shields (Designation Suffix Z/ZZ) - High speed. Protect from dirt and debris. Sealed (Designation Suffix RS/2RS) - Made of sheet steel reinforced rubber (oil- and liquid-resistant). Lower limit speed than Shield Bearings. Specification: Model: S693ZZ Seal Type: Double Sealed Inner Race/Outer Race Material: 304 Stainless Steel Cage Material: 304 Stainless Steel Inner Diameter: 3mm/0.12inch Outer Diameter: 8mm/0.31inch Thickness: 4mm/0.16inch Accuracy Level: P0 Package Included: 4Pcs x Deep Groove Ball Bearings