Min. Order Reference FOB Price
1 Piece US$0.10-1.00 / Piece
Product Description
ZYS Precision Bearing Balls Silicon Nitride/Si3n4 Ceramic Ball 4.762mm for Ball Bearing Application Product Description The development history of ZYS silicon nitride ceramic balls: 1986-1990 Exploratory research on ceramic bearings 1991-1995 Preliminary Research on Ceramic Ball Bearings and ...