... ,Z2 3.prompt delivery Four-point angular contact ball bearings Packing&DeliverPacking Detail:Standard export carton or as ... : Integral brass cage, double row symmetrical rollers,inner ring rideMA: Integral brass cage, double row symmetrical rollers , ... double row asymmetrical rollers, inner ring rideCC: Two piece steel cage, double row symmetrical rollers,inner ring rideCTN1: Double row symmetrical ...