1.Price: 0.85~1.25usd 2.Inner size:45mm;outside size:50mm 3.Tolerance:P0,P6,P5 4.Material:Chrome 5.Delivery:15-20 days )Certificate:ISO 9001-20002)high quality,quick delivery3) Guarantee:1year4)usage: automobiles auto bearings: Low-noise, high-speed, suitable for the motor bearings and automotive bearings. With high-quality material auto bearings: Low-noise, high-speed, suitable for the motor ...