BlackStar 2B60SDS STL - QD Sheave Variable Pitch Sheave so a 1800-3M-06 from any

so a 1800-3M-06 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

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

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What does the T10US in 25T10/1420US mean

Belt Section 5V Sub-Type Banded Width 5/8" Thickness 17/32" Length 355 in Number of Bands 2 Material Neoprene Reinforcement Aramid (Kevlar) Color Black Performance Heavy-Duty Temperature Range -30°F to 185°F

BlackStar 2B60SDS STL - QD Sheave Variable Pitch Sheave so a 1800-3M-06 from anyThe 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