硬质钨钢球合金球38.165/38.17/38.175/38.18/38.185/38.19mm钢珠

英制骨架油封TC38/38.17/38.1*52/58/60.3363.55*8.5/12.7/7.9

英制骨架油封TC38/38.17/38.1*52/58/60.3363.55*8.5/12.7/7.9

TC38.17*60.33*12.7丁晴橡胶防尘耐磨压抗老化骨架油轴密封圈大全

TC38.17*60.33*12.7氟胶防水尘耐高温压抗老化骨架油轴密封圈大全

英制骨架油封TC38/38.17/38.1*52*58*60.33*63.55*8.5/12.7/7.9