D&D Global 175J19 Micro-V Serpentine Belt - J Section, 19 Ribs, 17.5in 3M Section What does the AT10US in

What does the AT10US in 10AT10/1250US mean

so a 126XL1770 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

63 Teeth is a synchronous timing belt with L-pitch profile

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D&D Global 175J19 Micro-V Serpentine Belt - J Section, 19 Ribs, 17.5in 3M Section What does the AT10US inThe D&D Global 175J19 is a Micro V (multi ribbed) belt with Micro V ribbed J section dimensions, manufactured by D&D Global. Micro V belts deliver smooth, quiet operation with high power capacity in a compact cross section, ideal for serpentine and multi accessory drive systems. Constructed with Neoprene body compound and polyester cord tensile members for reliable power transmission and long service life. Specifications Belt Section J Belt Type Micro