| Surface roughness | TPU/Elastomer | PTFE | ||
| Rtmax | Ra | Rtmax | Ra | |
| Sliding surface | ≤ 2.5 µm | 0.1–0.5 µm | ≤ 2 µm | 0.05 - 0.3 µm |
| Groove bottom | ≤ 6.3 µm | ≤ 1.6 µm | ≤ 6.3 µm | ≤ 1.6 µm |
| Groove side | ≤ 15 µm | ≤ 3 µm | ≤ 15 µm | ≤ 3 µm |
| Bearing area: 50-95% and 0.5 Rz cutting depth (based on Cref = 0%) | ||||
| Recommended Size mm | ||||||
| Minimum nominal inner diameter d≥4.5 mm. Profile Size, surface data and tolerances are derived from the specific sealing material combination of the relevant application. Standard type: cutting gap is 0, cutting angle is 45°. |
| Operating parameters | ||
| Material | Temperature | |
| Retaining ring | Minimum °C | Maximum °C |
 PU |
-30 | +110 |
 HPU |
-20 | |
 TPU |
-50 | |
 XHPU |
-30 | |
 XSPU |
-20 | |
 PTFE v |
-200 | +260 |
 PTFE g |
||
| Ordering example | |
| Introduction | Retaining ring TB08 |
| d x D x L [mm] | 100 x 120 x 13 |
| Sealing material | PU |
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