Durus 443555 SC - 4.437" × 5.5" × 0.5" Oil Seal 3VX Section "name":"D&D Global 14/BK161 Heavy-Duty V-Belt

"name":"D&D Global 14/BK161 Heavy-Duty V-Belt - B Section

"mpn":"TB072053923483"

so a 12/A79 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

The BlackStar FCQL 2 3/16 is a hub

Durus 443555 SC - 4.437" × 5.5" × 0.5" Oil Seal 3VX Section "name":"D&D Global 14/BK161 Heavy-Duty V-BeltThe Durus 443555 SC is a 4. 437" 5. 5" 0. 5" rotary shaft oil seal (Single Lip + Dust Lip (Metal Case)) with NBR (Buna N) sealing lip. Designed for retaining lubricant and excluding contaminants in pumps, gearboxes, motors, agitators, and rotating industrial equipment. Specifications Part Number 443555 SC Brand Durus Category Inch Oil Seal Seal Type SC Single Lip + Dust Lip (Metal Case) Inner Diameter (Shaft) 4. 437" Outer Diameter (Bore) 5. 5" Width