BlackStar 4545 3 3/4 - Taper Lock Bushing - 3 3/4" Bore 4.7/16" com/products/d-and-d-343k9-micro-v-belt"

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Belt Section A Sub-Type Banded Width 1/2" Thickness 5/16" Length 90 in Number of Bands 11 Material Neoprene Reinforcement Polyester Cord Color Black Temperature Range -30°F to 185°F

What does the 5M in 1135-5M-25 mean

6000-20M-230 is a standardized industry size

BlackStar 4545 3 3/4 - Taper Lock Bushing - 3 3/4" Bore 4.7/16" com/products/d-and-d-343k9-micro-v-belt"The BlackStar 4545 3 3 4 is a 4545 series taper lock bushing with a 3 3 4" finished bore, precision manufactured from high grade steel. Taper Lock bushings provide a secure, concentric grip on the shaft through a precision machined taper, ensuring reliable power transmission. Specifications Part Number 4545 3 3 4 Bushing Type Taper Lock Series 4545 Bore Size 3 3 4" Minimum Bore 1 1 4" Maximum Bore 4 1 2" Outside Diameter 6. 590" Length 4 1 2" Material