BlackStar H50BTL21 - 50 Pitch Taper Lock Sprocket - 21 Tooth Chloroprene (Neoprene) 0 mm Tooth Profile Trapezoidal

0 mm Tooth Profile Trapezoidal Tooth Location Single Side Number of Teeth 135 Width 12mm Length 675 mm Material Polyurethane Reinforcement Steel Cord Color White/Gray Temperature Range -20°F to 158°F

312 in Sheave Angle 40° Number of Bands 11 Length 62 in (Outside Circumference) Construction Synthetic Rubber

The D&D Global 30AT5/975US is a synchronous timing belt with AT5-pitch profile

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1190K4 is a micro-v belt used on serpentine and multi-rib accessory drives — HVAC blowers

BlackStar H50BTL21 - 50 Pitch Taper Lock Sprocket - 21 Tooth Chloroprene (Neoprene) 0 mm Tooth Profile TrapezoidalThe BlackStar H50BTL21 is a 50 pitch Taper Lock roller chain sprocket with 21 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a Taper Lock Bushing (sold separately). Specifications Part Number H50BTL21 Chain Pitch 50 Number of Teeth 21 Bore Type Taper Lock Hub Style Taper Lock Bushing Required