... industry standards & with “Simplicity” series•Low Coefficient of Friction•Heat treated alloy steel shell•Resin retainer for reduced noise• ... stock as follows:LMF…UU flange linear bearing series:LMF6UU,LMF8sUU,LMF8UU,LMF10UU,LMF12UU,LMF13UU,LMF16UU,LMF20UU, ... ,LMF40UU,LMF50UU,LMF60UU;LMF…LUU long type flange linear bearing series:LMF6LUU ,LMF8LUU ,LMF10LUU ,LMF12LUU ,LMF13LUU ,LMF16LUU ,LMF20LUU , ...