3/AX71 Banded V-Belt 5VK Section What does the S8M in

What does the S8M in 250-S8M-2496 mean

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3/AX71 Banded V-Belt 5VK Section What does the S8M in3 AX71 Banded V Belt The 3 AX71 is a banded v belt from D&D Global's Dura Extreme Band Classical Ax Series line. It installs as a standard section replacement on matching sheaves for industrial power transmission. Specification Value Part Number 3 AX71 Belt Type Banded V Belt (raw edge, cogged) Cross Section AX Top Width 1. 875 in Height Depth 0. 312 in Sheave Angle 40 Number of Bands 3 Length 73 in (Outside Circumference) Construction EPDM Synthetic