- LM12 = 12mm bearings
- LM25 = 25mm bearings
- LMB8 = 1/2" bearings
- LMB16 = 1" bearings
Manufacturing
RJ4Jp - iglidur by Igus - here is what it's made of:
RJMP 8 mm vs RJ4JP
Hint: Make sure you have the correct version - ODs are different
- RJMP has 16 mm OD - [1]
- RJ4JP - has 15 mm OD - [2]