Ball: SAE 52100 Chrome Steel.
Ball Retainer: Brass.
Miniature thrust bearings can withstand axial or thrust loads only.
The grooved type have one washer with a slightly larger bore to allow it to locate in the housing while the other washer has a smaller overall diameter to locate on the shaft.
Washers incorporate a groove or raceway for heavier loads.
Also available in Stainless Steel, P.O.A. (minimum order quantities may apply).
Also available with flat washers, P.O.A.