Nadella
Nadella guide rollers: RKY, RKYR, RKX, RKXR
Nadella guide wheels: FKY, FKX
Nadella floating guide rollers: FRL, RKXL, RKYL
Nadella guide wheels: FKY, FKX
Nadella floating guide rollers: FRL, RKXL, RKYL