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KASTAS油封K49是一款两件式双作用密封套件，由特殊设计的聚氨酯密封圈和方形NBR弹性体环作为增能器组成。该产品具有卓越的静态和动态密封，即使在低运行速度下也能够在没有振动的情况下移动，由于矩形轮廓而无法在沟槽内扭曲，符合ISO 7425-1的标准沟槽，安装简便。K49主要用于建筑机械、农业机械、注塑机与一般工业应用等。
| 订货号 | D(H9)*d(h9)*H(+0.2/-0.0) | n | r |
| K49 028-020.5 | 28*20.5*3.2 | 2 | 0.2 |
| K49 055-039.5 | 55*39.5*6.3 | 3 | 0.3 |
| K49 100-79 | 100*79*8.1 | 5 | 0.4 |
| K49 100-84.5 | 100*84.5*6.3 | 3 | 0.4 |
| K49 110-89 | 110*89*8.1 | 5 | 0.4 |
| K49 110-94.5 | 110*94.5*6.3 | 3 | 0.4 |
| K49 115-94 | 115*94*8.1 | 5 | 0.4 |
| K49 120-99 | 120*99*8.1 | 5 | 0.4 |
| K49 125-104 | 125*104*8.1 | 5 | 0.4 |
| K49 125-104/1 | 125*104*10.5 | 7 | 0.4 |
| K49 130-109 | 130*109*8.1 | 5 | 0.4 |
| K49 140-119 | 140*119*8.1 | 5 | 0.4 |
| K49 150-129 | 150*129*8.1 | 5 | 0.4 |
| K49 160-139 | 160*139*8.1 | 5 | 0.4 |
| K49 180-159 | 180*159*8.1 | 5 | 0.4 |
| K49 200-179 | 200*179*8.1 | 5 | 0.4 |
| K49 25-17.5 | 25*17.5*3.2 | 2 | 0.2 |
| K49 32-24.5 | 32*24.5*3.2 | 2 | 0.2 |
| K49 35-24 | 35*24*4.2 | 2.5 | 0.4 |
| K49 40-29 | 40*29*4.2 | 2.5 | 0.4 |
| K49 45-34 | 45*34*4.2 | 2.5 | 0.4 |
| K49 50-39 | 50*39*4.2 | 2.5 | 0.4 |
| K49 55-44 | 55*44*4.2 | 2.5 | 0.4 |
| K49 60-44.5 | 60*44.5*6.3 | 3 | 0.4 |
| K49 60-49 | 60*49*4.2 | 2.5 | 0.4 |
| K49 63-47.5 | 63*47.5*6.3 | 3 | 0.4 |
| K49 63-52 | 63*52*4.2 | 2.5 | 0.4 |
| K49 65-49.5 | 65*49.5*6.3 | 3 | 0.4 |
| K49 65-54 | 65*54*4.2 | 2.5 | 0.4 |
| K49 70-54.5 | 70*54.5*6.3 | 3 | 0.4 |
| K49 70-59 | 70*59*4.2 | 2.5 | 0.4 |
| K49 75-59.5 | 75*59.5*6.3 | 3 | 0.4 |
| K49 80-64.5 | 80*64.5*6.3 | 3 | 0.4 |
| K49 85-69.5 | 85*69.5*6.3 | 3 | 0.4 |
| K49 90-74.5 | 90*74.5*6.3 | 3 | 0.4 |
| K49 95-79.5 | 95*79.5*6.3 | 3 | 0.4 |