BlackStar 2B60SDS STL - QD Sheave Variable Pitch Sheave What does the T10US in

What does the T10US in 25T10/1420US mean

so the Megadyne 3/C80 interchanges with Gates

Pitch Profile T5 Pitch 5 mm Tooth Profile Trapezoidal Tooth Location Single Side Number of Teeth 160 Width 6mm Length 800 mm Material Polyurethane Reinforcement Aramid (Kevlar) Color White/Gray Temperature Range -20°F to 158°F

The 350K7 is a micro-v belt from D&D Global's Dura-Prime Rib Pro Serpentine - K Series line

BlackStar 2B60SDS STL - QD Sheave Variable Pitch Sheave What does the T10US inThe BlackStar 2B60SDS STL is a 2 groove qd sheave for B section belts, manufactured from cast iron. Requires a QD Type SDS Bushing (sold separately) to mount to your shaft. Specifications Part Number 2B60SDS STL Product Type QD Sheave Number of Grooves 2 Belt Profile B Outside Diameter 6. 35" Material Cast Iron Approx. Weight 8. 300 lbs Bushing Required QD Type SDS Bushing Pitch Diameter 6. 0" Compatible Belts A, B, 4L, 5L Bushing Required This sheave