SKF organizes its bearing range by construction type. Deep groove ball bearings, angular contact ball bearings and self-aligning ball bearings each have their own line, and roller bearings split into cylindrical, tapered, spherical and CARB designs. Thrust bearings, needle roller bearings and Y-bearing inserts complete the range. Working this way, you start from what the bearing does in the assembly and only then compare part numbers.
With a bearing in hand, the first step is reading its full designation. Keep every letter, slash and trailing suffix block together with the basic number; the bore size alone will not tell one construction from another. Each line page groups its part numbers and helps you connect the marking to the mounting arrangement. Confirm dimensions against the part itself and against the equipment drawing.
When you request a quote, tell us which shaft and bearing position you are working on. Give the quantity, photos of the markings, and the bore, outside diameter and width. If the arrangement also includes a housing, a sleeve or a second bearing, list each of those as its own item. That way the part is described within its assembly, rather than assuming every part number in the category is interchangeable.