SIZE DESCRIPTION NET PCS/CTN SPEED (RPM) 4″ 100 x 1.2 x 16 S/S 2 400 15300 RPM 4″ 100 x 2.0 x 16 2 400 15300 RPM 4″ 100 x 2.5 x 16 2 400 15300 RPM 7″ 180 x 3.0 x 22.23 2 100 8500 RPM 14″ 350 x 3.0 x 25.4 1 25 4400 RPM