Durus 350555 A - 3.5" × 5.5" × 0.5" Oil Seal Cogged Banded V-Belt so the BB172N interchanges with

so the BB172N interchanges with Gates BB172N

so a 2/A121 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

Cross-references: Browning 1615 20MM

The Gates T10-1750-20 Synchro-Power Polyurethane Belts is a synchronous timing belt with T10-pitch profile

"name":"D&D Global 1980M18 V-Belt — M Section

Durus 350555 A - 3.5" × 5.5" × 0.5" Oil Seal Cogged Banded V-Belt so the BB172N interchanges withSame Shaft Size, Other Options Other Durus seals for 3. 5" shaft diameter with different OD width combinations: 350415 SC350435 C350453 C350454 A350454 AP The Durus 350555 A is a 3. 5" 5. 5" 0. 5" rotary shaft oil seal (Type TA2) 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 350555 A Brand Durus Category