Cam Follower, Roller Style Stud, Face Design Screwdriver Slot, Roller Shape Flat, Roller Dia. 3.25 in, Roller Width 1.75 in, Stud Type Concentric, Stud Dia. 1.25 in, Stud Length 2.5 in, Thread Size 1-1/4-12, Thread Length (In.) 1.25 in, Static Load Capacity (Lb.) 25,200 lb, Dynamic Load Capacity (Lb.) 20,200 lb, Roller Material Carbon Steel, Number of Bearings 1, Needle Roller, Sealed Bearing Type, Bearing Material Carbon Steel, Stud Material Carbon Steel, Agency Compliance ABMA