... bearing that you needed,pls contact us,we can offer it for you.Skype: terry-lee6Deep Groove Ball BearingMaterial: GCr15,stainless steel,ceramic ... OPEN,ZZ and 2RS TYPEBearings Miniature series: 603,604,605,607,608,606,609,623,624,625,626,628,629,616, 673,674 ...