D&D Global 148XL1770 Timing Belt - XL Section, 45mm Wide, 74T, 14.8in T10 Section 3/3V740 is a banded v-belt

3/3V740 is a banded v-belt used on industrial drives - fans and blowers

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so a 5/3VX1120 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

D&D Global 148XL1770 Timing Belt - XL Section, 45mm Wide, 74T, 14.8in T10 Section 3/3V740 is a banded v-beltThe D&D Global 148XL1770 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