Heavy Duty Material: the one way bearing is made of steel, durable and good heat tolerance, high load carrying capacity and stiffness.High Speed Rotation: needle roller bearing has uniform hardness, low friction, low noise, speed up work and production efficiency.Product Size: I.D.: 8mm, O.D.: 14mm, Width: 12mmApplications: the one way bearing is suitable restricted mounting spaces, widely apply on machinery, machine tool, pumps and compressors, gearing, spin mop bucket.What you get: you will get 4 pieces one way bearing 8mm, enough for you use.Remarque : les donnes sont toutes mesures manuellement, veuillez autoriser une erreur de 1 3 cm, en raison de la diffrence de lumire et d'affichage, il y aura une certaine diffrence de couleur, l'objet rel reu prvaudra.