We are offering s series bearing housing. Friends 's' series plummer blocks are manufactured in wide range from ¾" (20 mm) to 8" (210 mm) shaft size, suitable for double row self aligning ball/ roller bearings. Series s-500 is suitable for 1200 k, 2200 k, 22200 ck bearings and s-600 is suitable for 1300 k, 2300 k and 22300 ck series bearings with adapter sleeves.