... friction 3.Sample: Available 4.High Precision Roller Bearing, Taper Bearing, Tapered Roller Bearing:1.Less coefficient of friction, High limiting ... are expected For most parts for torque transmission BrandBETTONNameTapered Roller BearingModelMetric:30200,30300,31300,31000,32200,32300,33000,33200 ... Time20-30days Hot sale chinese industrial auto single row/ double row tapered roller bearing