BlackStar 40BS22 1 1/2 K2S - 40 Pitch Finished Bore Sprocket - 22 Tooth - 1-1/2" Bore Tapped-Base Pillow Block Need a quote on 1820L18

Need a quote on 1820L18

What is 2/A121 used for

"name":"Gates 3/C285 Hi-Power II PowerBand V-Belts 90943285"

"price":"37259

BlackStar 40BS22 1 1/2 K2S - 40 Pitch Finished Bore Sprocket - 22 Tooth - 1-1/2" Bore Tapped-Base Pillow Block Need a quote on 1820L18The BlackStar 40BS22 1 1 2 K2S is a 40 pitch Finished Bore roller chain sprocket with 22 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 1 2" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 40BS22 1 1 2 K2S Chain Pitch 40 Number of Teeth 22 Bore Size 1 1 2" Minimum Bore 5 8" Maximum Bore 1 1 2" Bore