345H100 Timing Belt 20M 100-S5M-1050 is a standardized industry

100-S5M-1050 is a standardized industry size

com/products/gates-3mr-22s-09-powergrip-gt-timing-sprocket"

so a 1000XXH300 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

"name": "What are the dimensions of 30T10/1440US

345H100 Timing Belt 20M 100-S5M-1050 is a standardized industry345H100 Timing Belt The 345H100 is a timing belt from D&D Global's Dura Premium Torque H Series line. It transmits power positively with no slip, holding timing between shafts on synchronous drives. Specification Value Part Number 345H100 Belt Type Timing Belt Tooth Profile H Trapezoidal Tooth Pitch 12. 7 mm Number of Teeth 69 Belt Width 1 in Pitch Length 34. 5 in (Pitch Length) Construction Chloroprene (Neoprene), Fiberglass cord, fabric tooth cover