Standardized with the materials of high performance NBR 85 Shore A, IDU are used very widely in hydaulic cylinders. Having shorter inner sealing lip IDU nutrings are designed especially for rod applications. They can also be manufactured with FKM (Viton) material.

Technical Data
Pressure:  150 Bar   
Temperature: NBR -35  to +105    
             FKM -35  to +200   
Speed: 0.5m/s    
Media: Hydraulic oils (mineral oil-based)    
Material: NBR / FKM   
Hardness: 852 Shore A    
Color: Black / Brown   
High resistance to high temperature   
High abrasion resistance   
Low compression set   
Easy installation   

ID x OD x H (mm) ID x OD x H (mm)
8x18x5 85x97x14
10x16x8 88x100x14
12x16x4 90x102x14
12x17x4 95x107x14
12x18x8 100x112x14
12x20x8 105x117x14
14x20x6 105x121x18
14x26x6 110x122x14
16x22x8 110x126x18
16x24x8 115x127x14
16x24x10 115x131x18
18x24x8 120x132x14
18x26x10 120x136x18
20x26x8 125x137x14
20x28x5 125x141x18
20x28x10 130x142x14
22x28x8 130x146x18
22x30x10 135x151x18
25x31x8 135x147x14
25x33x10 140x152x14
28x34x8 140x156x18
28x36x8 145x161x18
28x36x10 150x162x14
30x38x8 150x166x18
30x38x10 155x171x18
32x40x10 160x172x14
35x43x10 160x176x18
36x44x10 170x186x18
40x48x10 180x196x18
45x53x10 190x206x18
50x58x10 200x216x18
55x63x10 210x226x18
55x67x14 220x236x18
56x64x10 235x251x18
56x68x10 240x256x24
60x72x14 250x266x18
63x75x14 270x286x18
65x77x14 280x296x18
70x82x14 300x316x18
75x87x14 320x344x24
80x92x14 340-364-24