Eureka Style AR Belts 58065 2 Belts Per Package. For Eureka Home Cleaning System Vacuum Cleaners 6800, 6900 series (Excluding Models 6860, 6880, 6885, 6983, 6984, 6993, 6997, 6998, 6999) A belt in good condition will turn the brush roll efficiently, providing stronger beating and sweeping action. Belts will age and wear with normal use and should be checked periodically for cracks, cuts, or loss of tension. For optimum performance replace belt every 6 months.