D&D Global 15/B93 Banded V-Belt - B Section, 15 Bands, 96in 4.15/16" What does the K in

What does the K in Gates 4L390K mean

"sku":"11/8VK4000-D&D"

v=1673986455"

v=1629684994"

The Gates BP57 Predator Single Belts is a standard V-belt featuring Classical B-section dimensions

D&D Global 15/B93 Banded V-Belt - B Section, 15 Bands, 96in 4.15/16" What does the K inThe D&D Global 15 B93 is a standard V belt featuring Classical B section dimensions, manufactured by D&D Global. This belt features a smooth sided design for general purpose industrial power transmission. Constructed with Neoprene body compound and polyester cord tensile members for reliable power transmission and long service life. Specifications Belt Section B Sub Type Standard Width 21 32" Thickness 7 16" Length 96 in Material Neoprene