BlackStar H40BS48 3/4 K2S - 40 Pitch Finished Bore Sprocket - 48 Tooth - 3/4" Bore T10R Section v=1699907081"

v=1699907081"

Specifications Bore Size 1-7/16" Housing Style Tapped-Base Pillow Block Shaft Attachment Set Screw Series 207 Seal Type Lubrilife Permanent Lubrication Material 304 Stainless Steel (Housing)

so the 2/B133 interchanges with Gates 2/B133

"text": "2/B49 is a banded v-belt used on industrial drives - fans and blowers

so a 300-S8M-1776 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

BlackStar H40BS48 3/4 K2S - 40 Pitch Finished Bore Sprocket - 48 Tooth - 3/4" Bore T10R Section v=1699907081"The BlackStar H40BS48 3 4 K2S is a 40 pitch Finished Bore roller chain sprocket with 48 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 3 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H40BS48 3 4 K2S Chain Pitch 40 Number of Teeth 48 Bore Size