GX-S推力关节轴承:GX15S、GX17S、GX20S、GX25S、GX30S、GX35S、GX40S、GX45S、GX50S、GX60S、GX70S、GX80S、GX100S、GX120S、GX140S、GX160S、GX180S、GX200S。