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The BlackStar 3TB68 is a 3-groove qd sheave for B-section belts
7mm Length 1130 mm Material Neoprene Reinforcement Aramid (Kevlar) Color Black Temperature Range -30°F to 185°F
Prefer our Diesel Belting equivalent: T10-700-20 Timing Belt T10 20mm x 700mm OC Diesel Belting
"mpn":"SPA1630-PIX"
"mpn":"TB770075738510"
BlackStar AK39H STL - QD Sheave AT5 Section The BlackStar 3TB68 is aThe BlackStar AK39H STL is a 1 groove QD sheave for A section V belts, manufactured from cast iron. Requires an QD Type H Bushing (sold separately) to mount to your shaft. Quick disconnect design allows fast install and removal. Specifications Part Number AK39H STL Product Type QD Sheave Number of Grooves 1 Belt Profile A Section V Belt Bushing Required QD Type H Bushing Material Cast Iron Pitch Diameter 3. 9" Outside Diameter 4. 15" Compatible Belts
