Cam Follower, Roller Style Stud, Face Design Screwdriver Slot, Roller Shape Flat, Roller Dia. 0.625 in, Roller Width 0.4375 in, Stud Type Concentric, Stud Dia. 0.25 in, Stud Length 0.75 in, Thread Size 1/4-28, Thread Length (In.) 0.3125 in, Static Load Capacity (Lb.) 1,250 lb, Dynamic Load Capacity (Lb.) 1,320 lb, Roller Material Carbon Steel, Number of Bearings 1, Needle Roller, Unsealed Bearing Type, Bearing Material Carbon Steel, Stud Material Carbon Steel, Agency Compliance ABMA