The HFH 7211CDGA/P4A is a genuine HFH high-precision angular contact ball bearing, specifically engineered for demanding applications such as machine tool spindles. This bearing features an inner diameter of 55 mm, an outer diameter of 100 mm, and a width of 21 mm. It boasts a P4A precision class, indicating superior accuracy and performance. The 'C' in the designation signifies a 15-degree contact angle, optimized for high-speed operation and axial load capacity. The 'DG' suffix denotes universal matching, allowing for duplex arrangements, while 'GA' refers to a durable glass fiber reinforced polyamide cage, ensuring reliable operation.