... ,4940X3DM,4940X2DM,4940X3D-1M,4040X3DM Detailed information about angular contact ball bearing :MaterialGCr15SiMn,Grade 1BrandSKF,FAG,INA,TIMKEN,NSK,NTN,KOYO ... , pneumatic machines, printing machinery, slewing conveyers, welding arm and positioner, light, medium duty cranes, excavators and other engineering machinesType1.needle roller ...