Can not be relubricated.
Can supply other rod ends with different accuracy of thread.
For left-hand thread, suffix “L”is added to bearings number and suffix“LH”is added to thread sign,e.g. SILZP12S 1/2-20- 2BLH.
The rod and inner ring of the bearings is of stainless steel and the mark of the items has a letter“X” .That is SIZP...S/X.. .