10 PCS 12 x 37 x 12mm 6301-2rs Ball Bearing bearing steel，Deep Groove double Rubber Shielded Ball Bearing，for small motors, household,conveying field, etc

IMPORTANT PARAMETERS :：Bearings: 10 pack bearings inner diameter is 12 mm, outer diameter is 37 mm, overall width is 12 mm；Model: 6301-2rs MATERIAL :：These bearings are made from high quality bearing steel with high hardness for durability and long service life DOUBLE SHIELDED :: this bearing is shielded on both sides to keep lubricant in and keep environmental debris out to avoid reducing speed and lifespan of bearings.Bearings have deep groove raceway and great sealing. APPLICATION :：There comes total 10 pieces bearings which you may use for many different projects. Widely used for small motors, household applications, in conveying field, etc. With Stable characteristics, high reliability. TIPS :： When the new bearing is first used, the speed may be slower, but please be assured that this situation will slowly improve after repeated use. If you want to extend the life of the bearing, keep the bearing clean and dry, and regularly use lubricants and lubricants for maintenance.