10 Pcs 6001-2RS Ball Bearing, 8mm Flange Deep Groove Bearing Double Rubber Sealed 12 x 28 x 8mmHigh Quality Bearing Steel MadeThese deep groove ball bearings are made of high quality bearing steel for smooth rolling, reduced noise, durability and extended service life. Rubber Sealed: Three ProtectionsThese 6001-2RS ball bearings are double rubber sealed to prevent the intrusion of water, dust or other contaminants and save lubricant. Heat Resistant: -20-200These 6001-2RS ball bearings are high temperature resistant and can be used in the temperature range of about -20-200/24.8-392 for wider functionality. Wide ApplicationsThese 6001 2RS bearings are widely used in industrial machinery, automobiles, ships, household appliances, health care systems and DIY projects, such as skateboard. Standard Size & PackageCompact size of 12 x 28 x 8 mm, and there are total 10 pieces of miniature bearings that you can use for many different projects. This deep groove ball bearing kit is made of bearing steel, high hardness, strong and solid, anti-wear, anti-high temperature, able to work at a temperature range of -20-200 (-4F-392). The surface is polished smoothly and double sealed, has a good Mute effect and less noise, and against the invasion of water and dust or any other objects. It can be used in many fields: industrial machinery, cars, ships, household appliances, health system, etc. With 10 pieces in the package, you can keep them for remembering, very practical in our daily life. High Quality Bearing Steel Strong and Solid Anti-wear Anti-rust Five Major Advantages, Extend Mechanical Life. 6001-2RS Ball Bearing Bearing Construction 8mm ball bearing 1. Bearing Ring Contains an inner ring and an outer ring, which are made of high-quality steel materials, which effectively extend the service life of the bearing. 2. Rolling Element Transfer the load between the inner ring and the outer ring 3. Fixed Frame Reduce frictional heat, optimize the load, and facilitate disassembly. 4. Integral Seal Significantly extend bearing life, keep lubricant in the bearing, and prevent contaminants from entering. Single-row design Polished surface Lubricating oil added Number of products: 10 pieces Color: Black + Silverladace