500 Metal Main Shaft Bearing Block H50075Instruction:Use for T-REX 500.Specification:500 metal bearing cap x 2(Φ16xΦ21.5x2mm)Metal bearing holder x 2Bearing MR688ZZ x 2(Φ8xΦ16x5mm)Socket screw x 8(M2x4mm)Socket button head collar screw x 8(M2.5x6mm)M2.5 special washer x 8(Φ2.5xΦ6x2mm)