... trade company. 2.Bearing materials: Chrome steel/GCr15 3.P4.P5.P6.P0 (ABEC1 ... 3500, C3500, G3500, K3500, P3500, R3500, V3500 series, Chevrolet (C-30, C3500, R30, R3500, V30, ... Ton (40, 50, 60 &70 series), 4000, 5000, 6000 & 7000 series [REAR WHEEL][DIFFERENTIAL] (1955-88) GM ... Truck 1 Ton 250, 300, 3500, C3500, G3500, K3500, P3500, R3500, V3500 series ...