BlackStar N 3 7/16 STL - QD Bushing - 3 7/16" Bore Banded V-Belt "text": "370J16 has 16 ribs

"text": "370J16 has 16 ribs and a 37 in (Pitch Length)

What is 2/A52 used for

v=1698972647"

v=1736973119"

BlackStar N 3 7/16 STL - QD Bushing - 3 7/16" Bore Banded V-Belt "text": "370J16 has 16 ribsThe BlackStar N 3 7 16 STL is a N series qd bushing with a 3 7 16" 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 N 3 7 16 STL Bushing Type QD Series N Bore Size 3 7 16" Minimum Bore 1 1 2" Maximum Bore 5" Outside Diameter 7. 000" Length 8 1 8" Material Steel