Model RNAST (Separable Type, No Inner Ring) .. 20-12. Model NART-R (Non-separable Type) ..... 20-13. Model NURT (Double-row Cylindrical Rollers) .
There are two types: type without inner ring RNAST and type with .... Inch series. RNAST. NAST. NART. NURT. CRY. Separable Roller Follower ..... RNAST 45 R.