This transmission bearing kit for Mack applications pairs a 6308NRC3 bearing with an MS-350 retaining ring, supplying both pieces needed for the installation in one package. It is sold as a single sell pack of one each. Together the two components let the shaft rotate smoothly under load once installed in the transmission.Interchanges:Mack 46AX508Mack 25107205GBG-6581FeaturesKit includes 6308NRC3 bearing (GBG-6581-001)Kit includes MS-350 retaining ring (GBG-6581-002)Sell pack: 1 EACHTransmission product groupTech SpecsKit component: 6308NRC3 BearingKit component: MS-350 Retaining RingSell Pack: 1 EACHUsed in this Mack modelTRTXL-107 / 1070 Transmission