HQ POM Plastic PRECISION Glass Ball Bearing 6200 6201 6202 6203 ~ 6214 Optional
POM Nylon Plastic PRECISION Ball Bearing Glass Ball Bearings 6200 to 6214. Bearing outer ring inner ring material : POM. Plastic bearing inner ring, outer ring, both for high strength POM nylon plastic, holder for high performance resin, is in the middle of the glass ball.