SKF deep groove ball bearings are the most popular bearing type which have an extensive application prospect. SKF bearings 6400-2Z belongs to deep groove ball bearings, 2Z means this bearings with double steel seals. Product technical reference coefficient of SKF 6004-2Z is following: Inner diameter : 20 mmOuter diameter : 42 mmThickness : 12 mmLimited speed : 38000 r/minReference speed : 19000 R/minMass : 0.069 kgsPart stock list is shown as follows:6004-2Z *619056004-RSH *61905-2RS16004-RSL *61905-2RZ6004-Z *16005 *63004-2RS16005 *6204 *6005-2RSH *6204 ETN96005-2RSL *6204-2RSH *6005-2Z *6204-2RSL *6005-RSH *6204-2Z *6005-RSL *6204-RSH *6005-Z *6204-RSL *63005-2RS16204-Z *62204-2RS16205 *6304 *6205 ETN96304 ETN96205-2RSH *6304-2RSH *6205-2RSL *6304-2RSL *6205-2Z *6304-2Z *6205-RSH *6304-RSH *6205-RSL *6304-RSL *6205-Z *6304-Z *62205-2RS16305 *64046305 ETN962/226305-2RS1 *62/22-2RS16305-2RZ *63/226305-2Z *EE 8 TN96305-RS1 *RLS 76305-RZ *RLS 7-2RS16305-Z *RLS 7-2Z62305-2RS1RMS 7640561805RLS 861805-2RS1RLS 8-2RS161805-2RZRLS 8-2ZAs a professional agent for SKF bearings, we have SKF brand 6000 series bearings from stock in bulk quantity. Please feel free to contact us for details.