Heidelberg PM / SM 52 & PM / SM 74 Oscillating Inkers Axial Bearing (AXK 1730)
Axial needle bearing cage AXK 1730.
Also Hidelberg PM / SM 52 Geared Motors, Plate Cylinder, Servo-Drive, Support Bar - Drive Side, and others.
NTN AXK 1730 Needle Roller Thrust Bearing
Heidelberg Reference: 00.550.0445