D&D Global 310XL1771 Timing Belt - XL Section, 45mm Wide, 155T, 31in SPZ v=1746819372"

v=1746819372"

1390M4 has 4 ribs and a 139 in (Pitch Length)

25T5/490US has a 5 mm tooth pitch

"mpn":"TB770075137450"

com/products/gates-3-3v315-super-hc-powerband-v-belt"

D&D Global 310XL1771 Timing Belt - XL Section, 45mm Wide, 155T, 31in SPZ v=1746819372"The D&D Global 310XL1771 is a synchronous timing belt with XL pitch profile, manufactured by D&D Global. This belt uses a standard trapezoidal tooth profile for reliable performance in general purpose synchronous drives. Constructed with Neoprene body and fiberglass cord tensile cord for precise positioning and dependable synchronous power transmission. Specifications Pitch Profile XL Pitch 0. 2 in Tooth Profile Trapezoidal Tooth Location Single Side