BlackStar 12-8V3550P - QD Sheave 2.3/4" 1552-8M-20 is a timing belt

1552-8M-20 is a timing belt used on positive

0 mm Tooth Profile Trapezoidal Tooth Location Single Side Number of Teeth 225 Width 10mm Length 2250 mm Material Polyurethane Reinforcement Steel Cord Color White/Gray Temperature Range -20°F to 158°F

What is 352L075 used for

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"text": "The 15/5VX1000 is used for high-shock and high-vibration drives

BlackStar 12-8V3550P - QD Sheave 2.3/4" 1552-8M-20 is a timing beltThe BlackStar 12 8V3550P is a 12 groove qd sheave for 8V section belts, manufactured from cast iron. Requires a QD Type P Bushing (sold separately). Specifications Part Number 12 8V3550P Product Type QD Sheave Number of Grooves 12 Belt Profile 8V Outside Diameter 35. 50" Bushing Required QD Type P Bushing Material Cast Iron Approx. Weight 572. 000 lbs Pitch Diameter 35. 5" Compatible Belts 8V Bushing Required This sheave requires a QD Type P Bushing