Changzhou often shaft special bearings limited production combination bearings is radial section height the smallest positioning or one-way positioning bearings, and its use in transmission engineering and tool machine e.g. drilling spindle, o.d.meter axis, drilling sheath, worm, nc machine tools, BanYa head spindle bearing and similar applications.

NKIA combination bearings - centripetal needle bearings and ChanXiangJiao contact ball bearing, used in combination of axial light load.

NKIB combination bearings - centripetal needle bearings and two-way Angle contact ball bearing, used in combination of axial light load.

NKX combination bearings - centripetal needle bearings and thrust ball bearings, used in combination of axial heavy load.

NKXR combination bearings - centripetal needle bearing with cylindrical roller thrust bearing, used in combination of axial heavy load.

ZARN/ZARF combination bearings - needle and two-way cylindrical roller thrust combination bearings, suitable for CNC machining center, etc screw supporting.