30T10/1780US Timing Belt 4.3/4" The Gates F28-14MGT-55-SK PowerGrip GT

The Gates F28-14MGT-55-SK PowerGrip GT Sprockets - 8M and 14M 77115528 is a timing belt sprocket

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so a 300K7 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

The Gates 9/A180 Hi-Power II PowerBand V-Belts 90929180 is a banded V-belt featuring Classical A-section dimensions

What does the AT5US in 10AT5/480US mean

30T10/1780US Timing Belt 4.3/4" The Gates F28-14MGT-55-SK PowerGrip GT30T10 1780US Timing Belt The 30T10 1780US is a timing belt from D&D Global's Dura True Torque Urethane Steel T10 Series line. It transmits power positively with no slip, holding timing between shafts on synchronous drives. Specification Value Part Number 30T10 1780US Belt Type Timing Belt Tooth Profile T10US T AT metric Tooth Pitch 10 mm Number of Teeth 178 Belt Width 30 mm Pitch Length 1780 mm (Pitch Length) Construction Polyurethane, Steel Cable