SNASOPA207-23 L3 Standard Duty Stainless Steel Stand-Off Series Eccentric Locking Tapped Base Pillow Block Bearing 20mm ID Click here for spec sheets:

Click here for spec sheets: SUCSTRS Spec Sheet

the SNASPA has an eccentric locking bearing insert

Design fully engages the shaft without marring

Entire unit is UHMW-PE

Porous flanged bronze bearing is press-fit in sturdy zinc die cast sphere with felt strip for lubrication

SNASOPA207-23 L3 Standard Duty Stainless Steel Stand-Off Series Eccentric Locking Tapped Base Pillow Block Bearing 20mm ID Click here for spec sheets:Click here for spec sheets: Stand Off Catalog Note: SNA bearings not in catalog, dimensions are the same (except "z" is longer, see SNA vs SUC pages for bearing insert dimensions), just has eccentric locking insert instead of set screw.