Chromoly Low-Profile Needle Bearing Universal Joint. This Universal Joint has a reduced diameter for applications where clearance and weight are primary concerns. This universal needle bearing will outlast Pin & Block Universal Joints in racing applications and does not require lubrication. This Universal Joint is designed with a 3/4â€³ smooth bore and a 9/16â€³-26 Spline Bore. Strength rating is 400 foot lbs. and comes in a Black Oxidized Finish. Made in the USA.