Specification Brand : uxcell BulletPoint : Diameter: Right Thread BulletPoint1 : Dimension and Package: Model: R188-2RS; Dimension: 1/4" x 1/2" x 3/16"(Inner Dia*Outer Dia*H); Accuracy Class: P6 (ABEC-3); Noise Level: Z2; Package: 8pcs deep groove ball bearings. BulletPoint2 : Chrome Steel Construction: The deep groove ball bearings are made from quality chrome steel, offering excellent strength, hardness, wear resistance, and corrosion resistance, which can withstand high loads and maintain performance over time. BulletPoint3 : Double Rubber Shielded: The bearings feature double rubber shields that protect the balls and races from dust, dirt, and other harmful substances, which can help extend the service life and maintain optimal operation. BulletPoint4 : Grease Lubrication and P6 Precision: This bearing uses grease as the lubrication method, which can reduce friction and wear, and protect the bearing; with a P6 precision rating, manufactured to tight tolerances, ensuring reliability in precision applications. BulletPoint5 : Versatile Applications: These bearings are suitable for high-speed rotating equipment, such as power tools, motors, fans, rollers, etc., as well as household appliances, office equipment, and other small-scale mechanical systems that require smooth and precise rotation. Color : silver ExternallyAssignedProductIdentifier1 : 800199400809 ExternallyAssignedProductIdentifier2 : 0800199400809 ItemName : uxcell 8pcs R188-2RS Deep Groove Ball Bearings 1/4" ID x 1/2" OD x 3/16" Height P6/ABEC-3 Miniature Bearings Double Rubber Shielded Chrome Steel Z2 Bearing for Engineering Machinery ItemPackageDimensions_Height : 0.47 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : uxcell Material : Alloy Steel ModelNumber : JMXL8 NumberOfItems : 8 PartNumber : a24072100ux0566 ProductDescription : Description: Chrome Steel Construction: The deep groove ball bearings are made from quality chrome steel, offering excellent strength, hardness, wear resistance, and corrosion resistance, which can withstand high loads and maintain performance over time. Double Rubber Shielded: The bearings feature double metal shields that protect the balls and races from dust, dirt, and other harmful substances, which can help extend the service life and maintain optimal operation. Grease Lubrication and P6 Precision: This bearing uses grease as the lubrication method, which can reduce friction and wear, and protect the bearing; with a P6 precision rating, manufactured to tight tolerances, ensuring reliability in precision applications. Versatile Applications: These bearings are suitable for high-speed rotating equipment, such as power tools, motors, fans, rollers, etc., as well as household appliances, office equipment, and other small-scale mechanical systems that require smooth and precise rotation. Maintenance and Lubrication: Regularly inspect the bearings for signs of wear or damage. Ensure they are properly lubricated to reduce friction and extend their service life.