Water Cooling Head Water Cooling Plate 40*280mm 1.5 Inch Water Flow Sensor YF - DN40 Pulley Type GT2 Smooth/Toothless Idler

Water Cooling Head Water Cooling Plate 40*280mm 1.5 Inch Water Flow Sensor YF DN40 Pulley Type GT2 Smooth Toothless Idler Pulley Type GT2 Smooth Toothless Idler (Driven Perlin Pulley) Compatible Belt Profile GT2 (2 mm pitch) Designed to Pair With 20 Tooth GT2 Driver Pulley Outer Diameter ~12 mm (matches 20T GT2 pitch diameter) Bore Diameter 5 mm Belt Width Compatibility 6 mm (standard GT2 belt) Teeth None smooth running surface for reduced belt wear Bearing Built in dual flange ball bearing for low friction rotation Material Aluminum alloy body with steel bearing Flange Dual flanges for belt retention and tracking Warranty 7 day warranty on manufacturing defects Support Email & WhatsApp 24 7 Key Features reducing extruder load and preventing under extrusion