2311J - NSK Double Row Self-Aligning Bearing - 55x120x43 71918CD Precision Angular Contact This ALS 4 bearing is

This ALS 4 bearing is a Single Row

3/8 Inch Shaft Diameter Eccentric collar lock with short inner ring Bearing Insert Casting Group 5

This 6011DDUC3 NSK bearing is a Sealed Deep Groove Radial Ball Bearing with a larger than standard radial internal clearance The bearing's dimensions are 55x90x18

This CRWM4-280 is an Anti Creep Crossed Roller Linear Way Unit with High Rigidity and High Accuracy

2311J - NSK Double Row Self-Aligning Bearing - 55x120x43 71918CD Precision Angular Contact This ALS 4 bearing isThis 2311J bearing is a double row, extra wide series, metric self aligning bearing with a steel cage and a normal radial internal clearance. The bearing's dimensions are 55x120x43. 23 11 j Extra Wide Bore Size 55mm Pressed Steel Cage Normal Radial Internal Clearance