Steel track runner bearing

1,Name:Steel track runner bearing;Track runner bearing;Steel bearing 2,For the similar bearing,what can we do ? (1), Ability for the material of this kind of bearing: Grade3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9,etcCarbon steelGr.B,Gr.C,Gr.D,Gr.36,Gr.58,1010,1015,1016,1020,1045,etcAlloy steel4130,4140,G51150,etcStainless steel201,202,301,302,303,304,316,310,430,etcBrassC28000,C37710,C3450,C27200,etcBronzeC51900,C60600,C17200,etcAlumimum100,5052,6061,6063,etc (2),Ability for the surface finish:ElectroplateZinc plated(while,colour,dacroment),Nickel plated,copper plated,gold plated,chrome(3+Rohs &6+ ) plated,anodic oxidation,etcDip platingblack oxide coating,hot dip galvanizing,etcFlame platingLight oil,spray coating,electrophoretic coating,etcPolishingGrinding and polishing,etc,except mirror finish(3),Ability for the toleranceRoundess0.002mmCylindricity0.003mmRoughnessRa0.32Straightness0.01/200mm3,How about the packing details?Plastic bags inside,then carton(normally32cm*23cm*13cm),then fumigation free pallets outside or as your requirements.4,How aout the delivery?(1),Delivery port:ShangHai/NingBo(2),Delivery way to avoid the anti-dumping5,Why should you choose us ? The plant has built for about 20 years,we have our own way to supply you the high quality products with lowest price and delivery on time as we can . We have abundant experience for exporting so that you could avoid lots of risks. P.S:For us,the most competitive industry is machined hardware fastener ,especially the cutting/turning parts.