This XLJ5.1 2 RHP bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 5.1/2x7.1/2x1.

This XLJ5.1 4 RHP bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 5.1/4x7.1/4x1.

This XLJ5.3 4 RHP bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 5.3/4x7.3/4x1.

This XLJ5E RHP bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 5x7x1.

This XLJ6E RHP bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 6x8x1.