1 5/16" Square Slip Sleeve (with Grease Groove) New 2600 Series Sqaure Slip Sleeve with grease groove. Sleeve has 1-5/16" square bore, total sleeve length is 5". Sleeve fits tubes 2-3/4" / .109 wall.For Tube 2 3/4" X .109 (12GA). Use W/ Shield Bearing Part# 56-2646    Bore: 1 5/16"    Fits Tube: 2 3/4" / .109 Wall    Length: 5"    Replaces: Neapco Part No: 53-2644 Domestic 2600 Series
