350H300 Timing Belt 20M 2/5V800 is a standardized industry

2/5V800 is a standardized industry size

"name":"Gates 12/5V3550 Super HC PowerBand Belts 938612355"

so a 3/CK250 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

Belt Section 8V Sub-Type Banded Width 1" Thickness 29/32" Length 355 in Number of Bands 3 Material Neoprene Reinforcement Aramid (Kevlar) Color Black Performance Heavy-Duty Temperature Range -30°F to 185°F

350H300 Timing Belt 20M 2/5V800 is a standardized industry350H300 Timing Belt The 350H300 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 350H300 Belt Type Timing Belt Tooth Profile H Trapezoidal Tooth Pitch 12. 7 mm Number of Teeth 70 Belt Width 3 in Pitch Length 35 in (Pitch Length) Construction Chloroprene (Neoprene), Fiberglass cord, fabric tooth cover