Miniature Precision Ball Bearings

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Miniature & Instrument Bearings National Precision Bearing offers an extensive selection of miniature and instrument bearings. In addition to the standard inch and metric series we offer a full range of specialty bearings from a modified dimension to high-speeder bearings.


Miniature Ball Bearings & Precision Industrial Ball Bearings AST ® Bearings is the complete, one-stop supplier to OEM's and to wholesalers sourcing high-precision, miniature ball bearings, bearing related products, and associated professional services including world-class engineering and design.Thrust Bearings. Bore: 3mm to 10mm OD: 8mm to 20mm. Available in Chrome Steel and Stainless Steel. Thrust ball bearings contain two precision chrome steel washers (the ring). A retainer spaces the ball bearing component. The bearings contain ball grooves in the rings for increased capacity. Thrust bearings are designed for use under purely axial loads.