This 7014ACEGA/HCP4AH1 bearing is a Super Precision angular contact bearing with a 25° contact angle and the balls are hybrid ceramic, also known as bearing grade Silicon Nitride. This bearing is a universal fit single bearing with a light preload and a P4A precision rating, and it has two lubrication holes on the outer ring. The bearing's dimensions are 70x110x20mm. Often used in Machine Tools, or other precision applications, these bearings are known for their high-speed capabilities, robust seals, and superior accuracy.