124103 F4B-SC-100 4 BOLT FLANGE MOUNT BEARINGSThe Dodge SC SCM line. Its premium features make it the most reliable set screw mounted ball bearing on the market and provides the user unmatched quality and true total value. Normal duty wide inner ring (SC) Medium duty wide inner ring (SCM) Wide variety of housing configurations Available in 1 2 to 3 1 2 (17 to 90 mm) bore sizes Attributes General Bearing Type Ball Ball Bearing Series 205 Series Housing Construction Solid Housing Material Cast Iron