Self-Aligning Ball Bearings Model: SFR133C ZZ Inner diameter (d): 2.38 mm | 0.0937 in Outside diameter (D): 4.762 mm | 0.1875 in Flange Diameter (D): 5.953 mm | 0.2344 in Width (B): 2.38 mm | 0.0937 in Ring Material: 440C Stainless Steel
Accuracy: ABEC-7