SWA wear ring

Sakagami SWA-Wear Rings are piston wear rings made of fabric-reinforced phenolic resin, offering excellent pressure resistance and reliable guidance. Suitable for installation in one-piece grooves, they prevent metal seizing and surface damage. Ideal for low-pressure hydraulic and pneumatic cylinders where durability and smooth operation are essential.

Dimension table

Wear ring & Groove dimensions （Unit：mm） Part No.
D d H t G D1 D2 Standard material（PB 201）
20 17 3 1.5 3 19.5 19 SWA-20
25 22 3 1.5 3 24.5 24 SWA-25
30 27 4 1.5 4 29.5 29 SWA-30
32 29 4 1.5 4 31.5 31 SWA-32
35 32 4 1.5 4 34.5 34 SWA-35
40 36 5 2 5 39.5 39 SWA-40
45 41 5 2 5 44.5 44 SWA-45
50 46 5 2 5 49.5 49 SWA-50
55 51 5 2 5 54.5 54 SWA-55
60 56 6 2 6 59.5 59 SWA-60
63 59 6 2 6 62.4 62 SWA-63
65 61 6 2 6 64.4 64 SWA-65
70 66 6 2 6 69.4 69 SWA-70
75 71 6 2 6 74.4 74 SWA-75
80 76 8 2 8 79.4 79 SWA-80
85 81 8 2 8 84.4 84 SWA-85
90 86 8 2 8 89.4 89 SWA-90
95 91 8 2 8 94.4 94 SWA-95
100 95 10 2.5 10 99.4 98 SWA-100
120 115 10 2.5 10 119.4 118 SWA-120
125 120 10 2.5 10 124.3 123 SWA-125
140 134 15 3 15 139.3 138 SWA-140
150 144 15 3 15 149.3 148 SWA-150
160 154 15 3 15 159.3 158 SWA-160
180 174 15 3 15 179.3 178 SWA-180
200 194 20 3 20 199.2 198 SWA-200
250 244 20 3 20 249.2 248 SWA-250