... and engineering machine includes Combined Mast Guide Bearings (ISO), AST Guide Bearing, Forklift Mast Bearings, Cylindrical Roller Bearing of SL series.The bore ... SL series is from 20mm- 360mm, there are SL 18 18, SL 18 29, SL 18 30, SL 18 22, SL 19 22, SL 19 23, SL 18 50, SL ... 01 48, SL 01 49, SL 02 49, SL ...