Description Disc Harrow Bearings - For 1-3/4" Round Axle Bore - Interchange/Used on DS211TTR13, Sunflower. This item is a suitable alternative for the following: 308-GW211PPB13, 2042, GW211PPB13-TIM, GW211PPB13Z17PA, GW211PPB13Z17PAAG, DS211TTR13