Bower MR5209 M-Series Separable Inner Ring With One Rib provides a precise, ribbed inner race designed to work with 5209 cylindrical roller bearings. It features a bore of 45 mm, an outer diameter of 59.03 mm, and an overall width (OAW) of 30.162 mm. Made from hardened alloy steel, this inner ring is intended for use as the separable inner component paired with the matching outer ring to form a complete 5209 bearing assembly.
