Series BBXCAM-CN has hardened and ground outer race as well as low-carbon alloy steel hardened studs and inner races, both of hex- or slotted-head type. Available in IDs from 1/2 to 4 in., carbon steel needle bearing sealed cam followers may be lubricated through head end only and have clamping torque based on dry threads. Design minimizes friction and operating noise while promoting durability.