... experience in special fastener 1,Name: Deep groove ball bearing;Deep groove bearing;Ball bearing2,For the similar bearing,what can we ... ,8.8,9.8,10.9,12.9,etcCarbon steelGr.B,Gr.C,Gr.D,Gr.36,Gr.58,1010,1015 ... machined hardware fastener ,especially the cutting/turning parts. Deep groove ball bearing