Machine tool spindle bearings Agular contact ball bearings High degree of ... quality2.Strictly guarantee delivery time3.Competitive price1. product specification:High super precision angular contact ball bearing(1) precision:P2, P4, P5 ... :71900, 7000,7200, 7300, 71800 series(4) structure:AC, C, B , with contact angle 25,15,40 degree, brass cage or ...