Buyer :What do ZZ and 2RS mean respectively? seller :ZZ represents iron cover seal 2RS represents rubber cover seal.
Buyer :What do P5P6P2 mean respectively? seller :P5 precision high speed, P4 precision high speed mute, P2 precision ultra-high speed mute.
Buyer :What should I do if I don't have a bearing model? seller :You can provide me with the dimensions of the bearing, which are the inner diameter, the outer diameter, and the thicknessin millimeters.