one hundred pc Brand new and high qualityType: Ball bearingSize: 4*11*4MM Material: chrome steelPlace of Origin: China (Mainland)Our bearing high quality is normal, C0 traditional clearance, ABEC1 precision, the bearing can't be used on high-speed motors or same high-speed machine, if you need excessive velocity bearing, please touch with us through e mail or trademanager.Please attention:694ZZ chrome steel: chrome steel, metal protect bearing.F694ZZ chrome steel: flange chrome steel, metallic protect bearing.S694ZZ stainless: 440C stainless steel metallic protect bearing stainless steel440C(440C stainless-steel is magnetic, it is a high-carbon high-chrome martensitic stainless steel, mainly utilized in the manufacture of bearing equipment which paintings in corrosive environment and non-lubricating strong oxidizing atmosphere, 440C has good high temperature dimensional stability, it's going to even be used as corrosion-resistant high-temperature bearing steel and manufacture high-quality chopping tools, scalpels, grease nipples, bearings and so on.)Package content: 5pcs 694zz, F694ZZ or S694ZZ ball bearing