330L050 Timing Belt 3MGT Section 3/BX78 is a standardized industry

3/BX78 is a standardized industry size

09 5VS & 8VS Adjustable Speed Sheaves - QD 79600028 is a V-belt sheave (pulley)

so a 170H200 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

"mpn":"TB072053099911"

330L050 Timing Belt 3MGT Section 3/BX78 is a standardized industry330L050 Timing Belt The 330L050 is a timing belt from D&D Global's Dura Premium Torque L Series line. It transmits power positively with no slip, holding timing between shafts on synchronous drives. Specification Value Part Number 330L050 Belt Type Timing Belt Tooth Profile L Trapezoidal Tooth Pitch 9. 525 mm Number of Teeth 88 Belt Width 0. 5 in Pitch Length 33 in (Pitch Length) Construction Chloroprene (Neoprene), Fiberglass cord, fabric tooth cover