This complete replacement brushroll assembly fits all Eureka The Boss Smart Vac 4870 series bagged upright vacuums. The assembly includes both left and right plastic end caps, ball bearings, brush core, and bristles - fully assembled and ready to install.End caps are hexagon-shaped. The brush measures approximately 14 3/8 inches long. Use with Eureka Style R belt (part 61110, sold separately). To extend the brushroll's life, remove the end caps monthly and clear any wrapped thread or hair from the bearings.Compatible replacement for Eureka OEM parts 61250-1 and 61250-3.Eureka Boss Smart Vac 4870 complete brushroll assemblyFits Eureka The Boss Smart Vac 4870 series bagged upright vacuumsComplete brushroll assembly: left and right end caps, ball bearings, core, and bristles fully assembledHexagon-shaped end caps; measures approximately 14 3/8 inches with 1 1/3" to the right of the belt pulleyUse with Eureka Style R belt (part 61110, sold separately)Compatible replacement for Eureka OEM part 61250-1 (also 61250-3)SpecificationsLengthApproximately 14 3/8 inchesEnd cap shapeHexagonIncludesEnd caps, ball bearings, core, bristles (fully assembled)Belt styleEureka Style R (61110, sold separately)OEM equivalents61250-1, 61250-3