The MF41X is a metric, flanged, deep-groove ball bearing with a compact 1.2mm bore, 4mm outer diameter, and 1.8mm thickness . This design supports moderate radial loads (dynamic load rating 138 N) and is suited for very high-speed operation up to 110,000 rpm (grease) or 130,000 rpm (oil) . The integral flange simplifies mounting and positioning in compact machinery and precision instruments .
