RNY Packings

Sakagami RNY rod packings are fully interchangeable with SKY-Packings and made with high elastic RN922 rubber. Designed for superior sealing and greater tolerance for rod eccentricity, RNY packings are ideal for demanding hydraulic applications. Choose Sakagami for proven performance, durability, and precision.

Dimension table

Technical diagram of a mechanical seal, showing cross-sectional views, groove details, and component specifications including bearings, back-up ring, wiper, and buffer after hardening.
Packings & Groove dimensions(Unit：mm） Part No. Interchangeable with
SKY-Packings
d D H GA GB d1(Reference) # Standard material
（RN922)		 Standard back-up ring
（PT111）
16 24 5.1 5.7 6.7 16.4 2.5 RNY-16 TCS-24×16 SKY-16
18 26 5.1 5.7 6.7 18.4 2.5 RNY-18 TCS-26×18 SKY-18
20 28 5.1 5.7 6.7 20.4 2.5 RNY-20 TCS-28×20 SKY-20
22 30 5.1 5.7 6.7 22.4 2.5 RNY-22 TCS-30×22 SKY-22
22.4 30 5.1 5.7 6.7 22.8 2.5 RNY-22.4 TCS-30×22.4 SKY-22.4
25 33 5.1 5.7 6.7 25.4 2.5 RNY-25 TCS-33×25 SKY-25
28 35.5 5.1 5.7 6.7 28.4 2.5 RNY-28 TCS-35.5×28 SKY-28
30 40 6.2 7 8.5 30.5 3 RNY-30 TCS-40×30 SKY-30
31.5 41.5 6.2 7 8.5 32 3 RNY-31.5 TCS-41.5×31.5 SKY-31.5
32 42 6.2 7 8.5 32.5 3 RNY-32 TCS-42×32 SKY-32
35 45 6.2 7 8.5 35.5 3 RNY-35 TCS-45×35 SKY-35
35.5 45 6.2 7 8.5 36 3 RNY-35.5 TCS-45×35.5 SKY-35.5
36 46 6.2 7 8.5 36.5 3 RNY-36 TCS-46×36 SKY-36
40 50 6.2 7 8.5 40.5 3 RNY-40 TCS-50×40 SKY-40
45 55 6.2 7 8.5 45.5 3 RNY-45 TCS-55×45 SKY-45
45 56 7.2 8 9.5 45.5 3 RNY-45A TCS-56×45 SKY-45A
50 60 6.2 7 8.5 50.5 3 RNY-50 TCS-60×50 SKY-50
55 65 6.2 7 8.5 55.6 3 RNY-55 TCS-65×55 SKY-55
56 66 6.2 7 8.5 56.6 3 RNY-56 TCS-66×56 SKY-56
60 70 6.2 7 8.5 60.6 3 RNY-60 TCS-70×60 SKY-60
60 71 7.2 8 9.5 60.6 3 RNY-60A TCS-71×60 SKY-60A
63 73 6.2 7 8.5 63.6 3 RNY-63 TCS-73×63 SKY-63
65 75 6.2 7 8.5 65.6 3 RNY-65 TCS-75×65 SKY-65
65 78 8.2 9 11 65.6 3.5 RNY-65B TCS-78×65 ――
70 80 6.2 7 8.5 70.6 3.5 RNY-70 TCS-80×70 SKY-70
70 85 9.2 10 12 70.6 3.5 RNY-70B TCS-85×70 ――
71 80 6.2 7 8.5 71.6 3.5 RNY-71 TCS-80×71 SKY-71
75 85 6.2 7 8.5 75.6 3.5 RNY-75 TCS-85×75 SKY-75
75 90 9.2 10 12 75.6 3.5 RNY-75B TCS-90×75 ――
80 90 6.2 7 8.5 80.6 3.5 RNY-80 TCS-90×80 SKY-80
80 95 9.2 10 12 80.6 4 RNY-80B TCS-95×80 ――
85 100 9.2 10 12 85.6 4 RNY-85 TCS-100×85 SKY-85
90 105 9.2 10 12 90.6 4 RNY-90 TCS-105×90 SKY-90
100 115 9.2 10 12 100.6 4 RNY-100 TCS-115×100 SKY-100
110 125 9.2 10 12 110.6 4 RNY-110 TCS-125×110 ――
112 125 8.7 10 12 112.6 4 RNY-112 TCS-125×112 SKY-112, 112A
125 140 9.2 10 12 125.6 4 RNY-125 TCS-140×125 SKY-125
140 155 9.2 10 12 140.6 4 RNY-140 TCS-155×140 SKY-140
160 175 9.2 10 12 160.6 4 RNY-160 TCS-175×160 SKY-160
180 200 12.2 13 15.5 180.7 5.5 RNY-180 TCS-200×180 SKY-180