The Eaton Fuller Ball Bearing, part number 81017, is a manual transmission ball bearing used in countershaft applications. This bearing is sold as an individual unit. The category classification places it specifically within manual transmission countershaft components. Call us to confirm proper fit for your specific transmission build.Interchanges:81017-SPFUL81017HF81017ZBF81017Mack 3088-81017FeaturesManual transmission ball bearing for countershaft applicationsEaton Fuller part number 81017Sold as individual unit (each)Genuine Eaton Fuller component available from Pro Gear and TransmissionTech SpecsPart Number: 81017Application: Manual Transmission CountershaftBearing Type: Ball BearingUnit of Measure: Each