Description: This 6004DDUNR NSK bearing is a Sealed Deep Groove Radial Ball Bearing with a snap ring groove in the outer ring and an appropriate snap ring, this bearings also has a standard radial internal clearance The bearing's dimensions are 20x42x12. Product Information: BRAND:NSK MADE IN JAPAN SKU:6004DDUNR-NSK AVAILABILITY:IN STOCK WEIGHT:0.0680 KGS Technical Data INSIDE DIAMETER (MM):20MM OUTSIDE DIAMETER (MM):42MM WIDTH (MM):12MM DYNAMIC LOAD RATING (KN):9.4 STATIC LOAD RATING (KN):5 FATIGUE LOAD RATING (KN):-- REFERENCE SPEED RATING (R/MIN):-- LIMITING SPEED RATING (R/MIN):11000 CAGE TYPE:STEEL SEALS OR SHIELDS:TWO RUBBER SEALS CLEARANCE:STANDARD