BlackStar SF 1 1/4 - QD Bushing - 1 1/4" Bore 5V Section The 12/B88 has a 21/32"

The 12/B88 has a 21/32" width

"mpn":"180J13-D&D"

and Jason Industrial 9/D480

375 in Tooth Profile Trapezoidal Tooth Location Single Side Number of Teeth 136 Width 0

"mpn":"TB037256211898"

BlackStar SF 1 1/4 - QD Bushing - 1 1/4" Bore 5V Section The 12/B88 has a 21/32"The BlackStar SF 1 1 4 is a SF series qd bushing with a 1 1 4" finished bore, precision manufactured from high grade steel. QD (Quick Disconnect) bushings feature a split taper design that allows fast, easy installation and removal without disturbing other drive components. Specifications Part Number SF 1 1 4 Bushing Type QD Series SF Bore Size 1 1 4" Minimum Bore 9 16" Maximum Bore 2 1 4" Outside Diameter 3. 125" Length 2 1 16" Material Steel Approx.