Motorcycle Swing ARM Oil Seal Thrust Needle Bearing Bushing For CR CRFR CRFRB 80 85 150 Pit Bikes Off-road Motocross This swing arm oil seal thrust needle bearing bushing is designed for use with CR, CRFR, CRFRB 80, 85, and 150 pit bikes.It supports smooth swing arm and helps maintain proper lubrication in the rear suspension system.The component fits off-road and motocross motorcycles requiring this specific bearing and bushing configuration.It includes an oil seal to and retain lubricant, a thrust needle bearing for radial load support, and a bushing to correct alignment within the swing arm assembly.This part is intended as a replacement for worn or damaged units in compatible motorcycle models.This is a replacement part from a third party.All brand/model references serve only to show intended compatibility.