GS0231: ANTI-FRICTION BEARINGS INCLUDING STRAIGHT ROLLER, TAPERED ROLLER, SPHERICAL ROLLER, NEEDLE AND BALL BEARINGS; BALL SLIDE BEARINGS; BALL, ROLLER AND NEEDLE THRUST BEARINGS; NEEDLE AND BEARING RACES; SELF-ALIGNING BUSHINGS, CAGE AND ROLLER ASSEMBLIES; MACHINE NEEDLES, THREAD GUIDES, AND KNITTING MACHINE UNITS; PILLOW BLOCKS; SWAGING MACHINES; TUBE END FORMING MACHINES; AND SMALL MACHINE PARTS MADE TO CUSTOMERS' SPECIFICATION