1)I.D.diameter:15mm--75mm
2)Seal style:open,Z,ZZ,RS,2RS,RZ
3)Tolerance level:ABEC-1,ABEC-3,ABEC-5,ABEC-7
4)Snap ring:N,NR
5)Vibration code:V1,V2,V3,V4
6)Noise level:Z1,Z2,Z3,Z4
7)Grease:All kinds of grease is available.
8)Inner package:plastic tube or individual box
9)Outer package:standard export carton and pallets