uxcell 4pcs MB Series Standard Sewing Machine Belts MB-530 Motor Drive V Belt, 530mm/21" Outside Circumference

Made of Polyurethane material, exceptional resistance to abrasion, chemicals, oil, and heat, and high coefficient friction. To link two or more rotating shafts to transmit power in a drive system. Even load distribution on belt drives, high load-bearing capacity, and excellent flexibility. V Belt allows for improved power transmission efficiency and reduced slippage. Polyurethane belts tend to have a longer service life compared to traditional rubber belts. Suitable for old-fashioned household electric sewing machines, overlock machines, small electric motors, and more. Proper belt tension and pulley alignment should be maintained during operation.