Eureka round belt 30563 fits 600, 1400, 1900, 2000, 2100, 4000, 5000-5175, 6400, and 7500 series vacuums and most old style commercial uprights. Also fits Sanitaire models SC684F-2 commercial upright vacuum. SC689A-3, SC886E, SC887B, OEM part number: 30563B, 30563A, 30563, 52100A, 52100B, 52100C, 633402, 67100-12.