Needle roller bearings NA49, NA69, NKI, NKIS

Bearings with an inner ring are used if the shaft is not configured as a rolling bearing raceway.
The bearings are of a single row design, NA69 is of a double row design from d ≧ 32 mm.
The bearings are greased using the lithium complex soap grease GA08. Arcanol LOAD150 is suitable for relubrication. For this purpose, the outer ring has a lubrication groove and a lubrication hole.
There is no relubrication facility in series NK with d ≦ 10 mm and NKI with d ≦ 7 mm.