NSK - Replacement Ball Bearing for KTM Front/Rear Wheel & Engine/Transmission - Type 6205 C3Depending on the part number you are replacing, you may need to remove a seal on one or both sides of the bearing as this unit is sealed on both sides. 25mm Bore 52mm Outside Diameter 15mm Outer Race Width 2 Seals Precision Class: ABEC 1 ISO P0 No Filling Slot No Snap Ring No Internal Special Features Internal Clearance: C3 Loose Steel Cage Contact Seal Enclosure Replaces KTM Husqvarna Parts 0625062052 (GR. BALL BEAR. 6205 2RSHC3HMTF7) 0625062054