Standardized with the materials of high performance PU 93 Shore A, U1 are used very widely in hydraulic cylinders. Having shorter outer sealing lip U1 nutrings are desinged especially for piston applications. 

Technical Data    
Pressure:  400 bar    
Temperature: -35  to +110     
Speed: 0.5m/s     
Media: Hydraulic oils (mineral oil-based)     
    
Material    
Material: PU    
Hardness: 93 2 Shore A     
Color: Blue   
    
Advantages    
High resistance to high temperature    
Low compression set    
Suitable for the most severe working conditions    
Easy installation    
U1

ID x OD x H (mm) ID x OD x H (mm)
018X012X8 200X184X18
025X019X8 210X194X18
030X022X10 220X204X18
035X027X10 230X214X18
040X032X10 240X224X18
045X037X10 250X234X18
050X042X10 260X244X18
055X047X10 270X254X18
060X048X14 280X264X18
063X051X14 285X269X18
065X053X14 300X284X18
070X058X14 320X296X24
075X063X14 340X316X24
080X068X14 350X326X24
085X073X14 360X336X24
090X078X14 366X342X24
095X083X14 380X356X24
100X088X14 400X376X24
105X93X14 420X396X24
110X094X18 450X426X24
110X098X14 480X456X24
115X099X18 500X476X24
120X104X18 550X526X24
120X108X14 625X601X24
125X113X14 850X826X24
125X109X18 900X976X24
130X118X14
130X114X18
135X119X18
140X128X14
140X124X18
145X129X18
150X134X18
150X138X14
155X143X14
160X148X14
160X144X18
170X154X18
180X164X18
185X169X18
190X174X18