YR-1-3/4-X Bearing Track Yoke type Cam Roller 1/2x1 3/4x1 inchYR 1 3 4 X Needle Roller Sealed Bearing 1 3 4" Inch Bore Diameter One Bearing YR 1 3 4 X Needle Roller Sealed Bearing, Bearing Inner Diameter is 1 2" Inch, Bearing Outer Diameter is 1 3 4" Inch, and Bearing is 1" Inch, it is used for heavier loads and where clevis or shaft mounting is preferred. Item: YR 1 3 4 X Bearing Type: Needle Roller Bearing Closures: Sealed Size: 1 2" x 1 3 4" x 1" Inch Bearing Inner Diameter: 1 2" Inch Bearing Outer Diameter: