UC20620D7K3S0C3Y1 FYH Mounted Hybird Bearing Insert 1 1/4" x 2 7/16" x 1 13/16" UC20620D7K3S0C3Y1 Mounted FYH Bearing, Balls are Half Ceramic, Bearing inner diameter is 1 1/4" inch, Bearing outer diameter is 2 7/16" inch, Bearing width diameter is 1 13/16" inch.