Features: 100% brand new and high quality Made of premium material with high hardness,durable in use This product is Double Rubber Sealed Deep Groove Ball Bearing for great sealing Widely used for small motors, household applications, in conveying field, etc. With Stable characteristics, high reliability. Specification: Model: 6301-2rs Size(ID*OD*thickness):12 * 37 * 12mm / 0.5 * 1.5 * 0.5in Cage and its material: steel plate Usage characteristics: high speed Purpose: general purpose Scroll column number: single column Raceway type: deep groove raceway Bearing material: bearing steel Scroll type: ball Angle: 15 degrees Sealing cover: double Shielded Rolling body: steel ball Package list: 10 x Ball Bearing Package List 1100% brand new and high quality 2Made of premium material with high hardness,durable in use 3This product is Double Rubber Sealed Deep Groove Ball Bearing for great sealing 4Widely used for small motors, household applications, in conveying field, etc. 5With Stable characteristics, high reliability.