| Surface roughness | Constant pressure | Pulsating pressure | ||
| Rtmax | Ra | Rtmax | Ra | |
| Sliding surface | 12,5 | 3,2 | 6,3 | 1,6 |
| Trough bottom | 12,5 | 3,2 | 6,3 | 1,6 |
| Trough side | 12,5 | 3,2 | 6,3 | 1,6 |
| Bearing area: 50-95% and 0.5 Rz cutting depth (based on Cref = 0%) | ||||
| Recommended size mm | |||||
| d/h11 | D/H11 | Cs | L / +0,2 | Rmax | |
| ＞ | ≤ | ||||
| 5 | 75 | d + 15 | 7,5 | 2,5 | 0,4 |
| 75 | 100 | d + 16 | 8 | 4 | 0,4 |
| 100 | 150 | d + 20 | 10 | 5 | 0,4 |
| 150 | 200 | d + 25 | 12,5 | 6 | 0,4 |
| 200 | 350 | d + 30 | 15 | 7,5 | 0,4 |
| 350 | 600 | d + 40 | 20 | 10 | 0,4 |
| Operating parameters | ||||
| Material | Temperature | Speed | Pressure | |
| Sealing components | Minimum °C | Maximum °C | Maximum m/s | Maximum bar (MPa) |
 PU |
-30 | +110 | Recommended for static applications only |
800 (80) |
 HPU |
-20 | |||
 SPU |
-20 | |||
 TPU |
-40 | |||
| Ordering example | |
| Introduction | Rotary seal TR20 - P |
| d x D x L [mm] | 100 x 108 x 7,7 |
| Sealing material | PU |
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