6/BX49 Banded V-Belt 8V Section What does the S14M in

What does the S14M in 1150-S14M-1190 mean

Belt Section 8V Sub-Type Banded Width 1" Thickness 29/32" Length 224 in Number of Bands 8 Material Neoprene Reinforcement Aramid (Kevlar) Color Black Performance Heavy-Duty Temperature Range -30°F to 185°F

"name":"Continental 5/5VF1320 TORQUE TEAM PLUS Heavy-Duty Banded V-Belt — 5V Section

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6/BX49 Banded V-Belt 8V Section What does the S14M in6 BX49 Banded V Belt The 6 BX49 is a banded v belt from D&D Global's Dura Extreme Band Classical Bx Series line. It installs as a standard section replacement on matching sheaves for industrial power transmission. Specification Value Part Number 6 BX49 Belt Type Banded V Belt (raw edge, cogged) Cross Section BX Top Width 4. 5 in Height Depth 0. 406 in Sheave Angle 40 Number of Bands 6 Length 52 in (Outside Circumference) Construction EPDM Synthetic