This 7005CD/P4ADBG20 bearing is a Super Precision angular contact bearing with a 15° contact angle and a high-capacity design. This bearing is a double back-to-back set of bearings with a special preload and a P4A precision rating. The bearing's dimensions are 25x47x12mm. Often used in Machine Tools, or other precision applications, these bearings are known for their high-speed capabilities, robust seals, and superior accuracy.