USH活塞活塞杆双用密封件 密封件公称尺寸 组装部分尺寸 NOK代码 D d h HA HB φD1 C 12 20 5 5.7 7.7 19 2 CU3248-K0 14 22 5 21 CU2692-K0 16 24 5 23 CU2548-K0 18 26 5 25 CU0180-K0 20 28 5 27 CU0212-K0 22 30 5 29 CU3017-K0 22.4 30 5 29 CU0260-K0 23.5 31.5 5 30.5 CU0267-K0 24 32 5 31 CU2971-K0 25 33 5 32 2.5 CU0276-K0 27 35 5 8.7 34 CU3187-K0 28 35.5 5 34.5 CU0320-K0 28 36 5 35 CU2536-K0 30 40 6 7 10 39 CU0357-K0 31.5 41.5 6 40.5 CU0382-K0 32 42 6 41 CU2819-K0 35 45 6 44 CU0424-K0 35.5 45 6 44 CU0451-K0 35.5 45.5 6 44.5 CU3253-K0 36 46 6 45 CU3040-K1