Spherical roller bearings are double row, self-retaining units comprising
solid outer rings with a concave raceway, solid inner rings and barrel rollers
with cages. The inner rings with cylindrical or tapered bores.
Types EA, C, CD, CA, these are designed for high load capacity, are available. Types EA, C, and CD have pressed steel cages; and type CA has machined brass cages. Type EA has especially high load capacity, features low torque, and has a high-strength cage.