Description: 280-5M-25 HTD Timing Belt * Reference: 280-5M-25 * Length: 280 mm Pitch Length * Number of teeth: 56 * Pitch: 5 mm * Width: 25 mm * Total Height: 2.80 mm in * Tooth Height: 2.06 mm * Weight: 0.11 lb * Material: Flexible neoprene backing, fiberglass tensile cord as reinforcement The 280-5M-20 timing belts offer a reliable, economical and trouble-free alternative to chain drives. 280-5M-20 Timing belts feature an engineered HTD-type tooth profile, engineered to perform well in the common three industry standard pulley tooth profiles, HTD, Gates PowerGrip GT2 pulleys and RPP. Note: They will give slightly lower life in RPP pulleys. The 280-5M-20 belts feature high temperature chloroprene polymer throughout. The 280-5M-20high performance, woven, nylon based, fabric facing material has been engineered and tested for highly wear resistant performance. The backing is precision ground for smooth uniform running.